Base | Representation |
---|---|
bin | 11100101010110100… |
… | …001100101101010011 |
3 | 2221110022211101110000 |
4 | 130222310030231103 |
5 | 1001020433111213 |
6 | 22050324341043 |
7 | 2136556004322 |
oct | 345264145523 |
9 | 87408741400 |
10 | 30783097683 |
11 | 1206728a9a8 |
12 | 5b71244783 |
13 | 2b976aa800 |
14 | 16c04540b9 |
15 | c02762c73 |
hex | 72ad0cb53 |
30783097683 has 60 divisors (see below), whose sum is σ = 51511703760. Its totient is φ = 18289986624.
The previous prime is 30783097669. The next prime is 30783097687. The reversal of 30783097683 is 38679038703.
It is not a de Polignac number, because 30783097683 - 25 = 30783097651 is a prime.
It is a super-2 number, since 2×307830976832 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30783097687) by changing a digit.
It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 358210 + ... + 435752.
It is an arithmetic number, because the mean of its divisors is an integer number (858528396).
Almost surely, 230783097683 is an apocalyptic number.
30783097683 is a deficient number, since it is larger than the sum of its proper divisors (20728606077).
30783097683 is a wasteful number, since it uses less digits than its factorization.
30783097683 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 77610 (or 77588 counting only the distinct ones).
The product of its (nonzero) digits is 4572288, while the sum is 54.
The spelling of 30783097683 in words is "thirty billion, seven hundred eighty-three million, ninety-seven thousand, six hundred eighty-three".
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