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245693600385120 = 25325170620555823
BaseRepresentation
bin110111110111010011111111…
…110001100100100001100000
31012012221002010110011110210200
4313313103333301210201200
5224200420443144310440
62230314025401425200
7102515530313212626
oct6767237761444140
91165832113143720
10245693600385120
1171316086220158
122368109579b200
13a712a65283864
1444958c2c77516
151d610c3812c30
hexdf74ffc64860

245693600385120 has 72 divisors (see below), whose sum is σ = 838429411319136. Its totient is φ = 65518293435648.

The previous prime is 245693600385091. The next prime is 245693600385133. The reversal of 245693600385120 is 21583006396542.

It is a happy number.

245693600385120 is a `hidden beast` number, since 2 + 4 + 5 + 6 + 9 + 3 + 600 + 3 + 8 + 5 + 1 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×2456936003851202 (a number of 30 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85310276472 + ... + 85310279351.

It is an arithmetic number, because the mean of its divisors is an integer number (11644852934988).

Almost surely, 2245693600385120 is an apocalyptic number.

245693600385120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245693600385120 is an abundant number, since it is smaller than the sum of its proper divisors (592735810934016).

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

245693600385120 is a wasteful number, since it uses less digits than its factorization.

245693600385120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170620555844 (or 170620555833 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 54.

The spelling of 245693600385120 in words is "two hundred forty-five trillion, six hundred ninety-three billion, six hundred million, three hundred eighty-five thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 120 144 160 180 240 288 360 480 720 1440 170620555823 341241111646 511861667469 682482223292 853102779115 1023723334938 1364964446584 1535585002407 1706205558230 2047446669876 2559308337345 2729928893168 3071170004814 3412411116460 4094893339752 5118616674690 5459857786336 6142340009628 6824822232920 7677925012035 8189786679504 10237233349380 12284680019256 13649644465840 15355850024070 16379573359008 20474466698760 24569360038512 27299288931680 30711700048140 40948933397520 49138720077024 61423400096280 81897866795040 122846800192560 245693600385120