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155362942940 = 22529267867143
BaseRepresentation
bin1001000010110001011…
…0100101111111011100
3112212000111210020112212
42100230112211333130
510021140403133230
6155212303015552
714140016140262
oct2205426457734
9485014706485
10155362942940
115a9863705a7
122613a89a5b8
131185c67648a
14773bb2c432
154094829895
hex242c5a5fdc

155362942940 has 24 divisors (see below), whose sum is σ = 337512601440. Its totient is φ = 60002239808.

The previous prime is 155362942927. The next prime is 155362942991. The reversal of 155362942940 is 49249263551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133932992 + ... + 133934151.

It is an arithmetic number, because the mean of its divisors is an integer number (14063025060).

Almost surely, 2155362942940 is an apocalyptic number.

155362942940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155362942940 is an abundant number, since it is smaller than the sum of its proper divisors (182149658500).

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

155362942940 is a wasteful number, since it uses less digits than its factorization.

155362942940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267867181 (or 267867179 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 50.

The spelling of 155362942940 in words is "one hundred fifty-five billion, three hundred sixty-two million, nine hundred forty-two thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 267867143 535734286 1071468572 1339335715 2678671430 5357342860 7768147147 15536294294 31072588588 38840735735 77681471470 155362942940