Base | Representation |
---|---|
bin | 11100100010010010… |
… | …101111000000111000 |
3 | 2221002100202201220010 |
4 | 130202102233000320 |
5 | 1000222331420301 |
6 | 22024215501520 |
7 | 2133201421461 |
oct | 344222570070 |
9 | 87070681803 |
10 | 30640107576 |
11 | 11aa35a6361 |
12 | 5b313878a0 |
13 | 2b73b94490 |
14 | 16a9471d68 |
15 | be4e1a5d6 |
hex | 7224af038 |
30640107576 has 32 divisors (see below), whose sum is σ = 82492598160. Its totient is φ = 9427725312.
The previous prime is 30640107571. The next prime is 30640107637. The reversal of 30640107576 is 67570104603.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30640107571) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49102425 + ... + 49103048.
Almost surely, 230640107576 is an apocalyptic number.
It is an amenable number.
30640107576 is an abundant number, since it is smaller than the sum of its proper divisors (51852490584).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30640107576 is a wasteful number, since it uses less digits than its factorization.
30640107576 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 98205495 (or 98205491 counting only the distinct ones).
The product of its (nonzero) digits is 105840, while the sum is 39.
The spelling of 30640107576 in words is "thirty billion, six hundred forty million, one hundred seven thousand, five hundred seventy-six".
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