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155710924940 = 22553146897099
BaseRepresentation
bin1001000100000100011…
…0000010100010001100
3112212220202120120010002
42101001012002202030
510022343444044230
6155311013303432
714151443011124
oct2210106024214
9485822516102
10155710924940
116004483762a
1226217334b78
13118b67a3c9c
147772031c84
1540b5165545
hex244118288c

155710924940 has 24 divisors (see below), whose sum is σ = 333162622800. Its totient is φ = 61109192768.

The previous prime is 155710924933. The next prime is 155710924951. The reversal of 155710924940 is 49429017551.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73447490 + ... + 73449609.

It is an arithmetic number, because the mean of its divisors is an integer number (13881775950).

Almost surely, 2155710924940 is an apocalyptic number.

155710924940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155710924940 is an abundant number, since it is smaller than the sum of its proper divisors (177451697860).

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

155710924940 is a wasteful number, since it uses less digits than its factorization.

155710924940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146897161 (or 146897159 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 47.

The spelling of 155710924940 in words is "one hundred fifty-five billion, seven hundred ten million, nine hundred twenty-four thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 53 106 212 265 530 1060 146897099 293794198 587588396 734485495 1468970990 2937941980 7785546247 15571092494 31142184988 38927731235 77855462470 155710924940