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245315605712000 = 2753124091235573
BaseRepresentation
bin110111110001110011111101…
…100010010100110010000000
31012011120221110100111112101112
4313301303331202110302000
5224123222330030241000
62225424233344022452
7102446316253414565
oct6761637542246200
91164527410445345
10245315605712000
117118a84507261a
122361b984001a28
13a6b6215910cc5
1444814a544086c
151d5634dc4b235
hexdf1cfd894c80

245315605712000 has 128 divisors (see below), whose sum is σ = 609965569465200. Its totient is φ = 98118255206400.

The previous prime is 245315605711901. The next prime is 245315605712077. The reversal of 245315605712000 is 217506513542.

245315605712000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 22202114695744 + 223113491016256 = 4711912^2 + 14936984^2 .

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197926214 + ... + 199161786.

Almost surely, 2245315605712000 is an apocalyptic number.

245315605712000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245315605712000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304982784732600).

245315605712000 is an abundant number, since it is smaller than the sum of its proper divisors (364649963753200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245315605712000 is a wasteful number, since it uses less digits than its factorization.

245315605712000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248011 (or 1247989 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 41.

The spelling of 245315605712000 in words is "two hundred forty-five trillion, three hundred fifteen billion, six hundred five million, seven hundred twelve thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 128 160 200 250 320 400 500 640 800 1000 1600 2000 3200 4000 8000 12409 16000 24818 49636 62045 99272 124090 198544 248180 310225 397088 496360 620450 794176 992720 1235573 1240900 1551125 1588352 1985440 2471146 2481800 3102250 3970880 4942292 4963600 6177865 6204500 7941760 9884584 9927200 12355730 12409000 19769168 19854400 24711460 24818000 30889325 39538336 39708800 49422920 49636000 61778650 79076672 98845840 99272000 123557300 154446625 158153344 197691680 198544000 247114600 308893250 395383360 494229200 617786500 790766720 988458400 1235573000 1976916800 2471146000 3953833600 4942292000 9884584000 15332225357 19769168000 30664450714 61328901428 76661126785 122657802856 153322253570 245315605712 306644507140 383305633925 490631211424 613289014280 766611267850 981262422848 1226578028560 1533222535700 1916528169625 1962524845696 2453156057120 3066445071400 3833056339250 4906312114240 6132890142800 7666112678500 9812624228480 12265780285600 15332225357000 24531560571200 30664450714000 49063121142400 61328901428000 122657802856000 245315605712000