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1023155530230 = 235263139992693
BaseRepresentation
bin11101110001110001101…
…00100110100111110110
310121210221110122020102210
432320320310212213312
5113230410303431410
62102010421514250
7133630514340351
oct16707064464766
93553843566383
101023155530230
11364a10694539
12146364872986
1375638641b12
143774185d298
151b934549220
hexee38d269f6

1023155530230 has 64 divisors (see below), whose sum is σ = 2466698572800. Its totient is φ = 271606839936.

The previous prime is 1023155530207. The next prime is 1023155530231. The reversal of 1023155530230 is 320355513201.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023155530231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10991764 + ... + 11084456.

It is an arithmetic number, because the mean of its divisors is an integer number (38542165200).

Almost surely, 21023155530230 is an apocalyptic number.

1023155530230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1023155530230 is an abundant number, since it is smaller than the sum of its proper divisors (1443543042570).

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

1023155530230 is a wasteful number, since it uses less digits than its factorization.

1023155530230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94365.

The product of its (nonzero) digits is 13500, while the sum is 30.

The spelling of 1023155530230 in words is "one trillion, twenty-three billion, one hundred fifty-five million, five hundred thirty thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 263 526 789 1315 1399 1578 2630 2798 3945 4197 6995 7890 8394 13990 20985 41970 92693 185386 278079 367937 463465 556158 735874 926930 1103811 1390395 1839685 2207622 2780790 3679370 5519055 11038110 24378259 48756518 73134777 121891295 129677507 146269554 243782590 259355014 365673885 389032521 648387535 731347770 778065042 1296775070 1945162605 3890325210 34105184341 68210368682 102315553023 170525921705 204631106046 341051843410 511577765115 1023155530230