Base | Representation |
---|---|
bin | 1001000001001010001… |
… | …10010110111000100111 |
3 | 1002121210200101102111021 |
4 | 10200211012112320213 |
5 | 20034043134201103 |
6 | 354203040352011 |
7 | 31246423062040 |
oct | 4404506267047 |
9 | 1077720342437 |
10 | 309860068903 |
11 | 10a457a26a80 |
12 | 50077615607 |
13 | 232b18341c8 |
14 | 10dd687b8c7 |
15 | 80d812abbd |
hex | 4825196e27 |
309860068903 has 32 divisors (see below), whose sum is σ = 387321942528. Its totient is φ = 240823497600.
The previous prime is 309860068897. The next prime is 309860068913.
309860068903 is nontrivially palindromic in base 10.
It is not a de Polignac number, because 309860068903 - 213 = 309860060711 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (309860068913) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52865193 + ... + 52871053.
It is an arithmetic number, because the mean of its divisors is an integer number (12103810704).
Almost surely, 2309860068903 is an apocalyptic number.
309860068903 is a deficient number, since it is larger than the sum of its proper divisors (77461873625).
309860068903 is a wasteful number, since it uses less digits than its factorization.
309860068903 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7543.
The product of its (nonzero) digits is 1679616, while the sum is 52.
The spelling of 309860068903 in words is "three hundred nine billion, eight hundred sixty million, sixty-eight thousand, nine hundred three".
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