Base | Representation |
---|---|
bin | 11100100101001000… |
… | …001101000010001011 |
3 | 2221012200021121002000 |
4 | 130211020031002023 |
5 | 1000322021203403 |
6 | 22033035242043 |
7 | 2134316651511 |
oct | 344510150213 |
9 | 87180247060 |
10 | 30687678603 |
11 | 1201843815a |
12 | 5b452a9323 |
13 | 2b809ac10a |
14 | 16b18d64b1 |
15 | be91b57a3 |
hex | 72520d08b |
30687678603 has 32 divisors (see below), whose sum is σ = 46709229120. Its totient is φ = 19898161920.
The previous prime is 30687678589. The next prime is 30687678611.
30687678603 is nontrivially palindromic in base 10.
It is not a de Polignac number, because 30687678603 - 24 = 30687678587 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 30687678603.
It is not an unprimeable number, because it can be changed into a prime (30687678643) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4433101 + ... + 4440017.
It is an arithmetic number, because the mean of its divisors is an integer number (1459663410).
Almost surely, 230687678603 is an apocalyptic number.
30687678603 is a deficient number, since it is larger than the sum of its proper divisors (16021550517).
30687678603 is a wasteful number, since it uses less digits than its factorization.
30687678603 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11404 (or 11398 counting only the distinct ones).
The product of its (nonzero) digits is 6096384, while the sum is 54.
The spelling of 30687678603 in words is "thirty billion, six hundred eighty-seven million, six hundred seventy-eight thousand, six hundred three".
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