Base | Representation |
---|---|
bin | 101111101011011000… |
… | …1000011010001011100 |
3 | 100210021120000101012021 |
4 | 1133112301003101130 |
5 | 3134142140233432 |
6 | 115011445545524 |
7 | 10253153541154 |
oct | 1372661032134 |
9 | 323246011167 |
10 | 102387430492 |
11 | 3a471042a56 |
12 | 17a154152a4 |
13 | 98693170c9 |
14 | 4d5416b764 |
15 | 29e3b2b697 |
hex | 17d6c4345c |
102387430492 has 6 divisors (see below), whose sum is σ = 179178003368. Its totient is φ = 51193715244.
The previous prime is 102387430477. The next prime is 102387430511. The reversal of 102387430492 is 294034783201.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12798428808 + ... + 12798428815.
Almost surely, 2102387430492 is an apocalyptic number.
It is an amenable number.
102387430492 is a deficient number, since it is larger than the sum of its proper divisors (76790572876).
102387430492 is a wasteful number, since it uses less digits than its factorization.
102387430492 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25596857627 (or 25596857625 counting only the distinct ones).
The product of its (nonzero) digits is 290304, while the sum is 43.
The spelling of 102387430492 in words is "one hundred two billion, three hundred eighty-seven million, four hundred thirty thousand, four hundred ninety-two".
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