Base | Representation |
---|---|
bin | 1000110100011111101… |
… | …0100011010001100100 |
3 | 112111010102011012112020 |
4 | 2031013322203101210 |
5 | 4440313234332112 |
6 | 153340114023140 |
7 | 13643031014400 |
oct | 2150772432144 |
9 | 474112135466 |
10 | 151530386532 |
11 | 59299a53208 |
12 | 2544b277ab0 |
13 | 1139b650615 |
14 | 7496b24100 |
15 | 3e1d12c48c |
hex | 2347ea3464 |
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".
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