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151530386532 = 22372257704739
BaseRepresentation
bin1000110100011111101…
…0100011010001100100
3112111010102011012112020
42031013322203101210
54440313234332112
6153340114023140
713643031014400
oct2150772432144
9474112135466
10151530386532
1159299a53208
122544b277ab0
131139b650615
147496b24100
153e1d12c48c
hex2347ea3464

151530386532 has 36 divisors (see below), whose sum is σ = 411296765040. Its totient is φ = 43294395984.

The previous prime is 151530386521. The next prime is 151530386551. The reversal of 151530386532 is 235683035151.

It is a happy number.

It is a super-2 number, since 2×1515303865322 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 128851782 + ... + 128852957.

It is an arithmetic number, because the mean of its divisors is an integer number (11424910140).

Almost surely, 2151530386532 is an apocalyptic number.

151530386532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

151530386532 is an abundant number, since it is smaller than the sum of its proper divisors (259766378508).

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

151530386532 is a wasteful number, since it uses less digits than its factorization.

151530386532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257704760 (or 257704751 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 42.

The spelling of 151530386532 in words is "one hundred fifty-one billion, five hundred thirty million, three hundred eighty-six thousand, five hundred thirty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 49 84 98 147 196 294 588 257704739 515409478 773114217 1030818956 1546228434 1803933173 3092456868 3607866346 5411799519 7215732692 10823599038 12627532211 21647198076 25255064422 37882596633 50510128844 75765193266 151530386532