Base | Representation |
---|---|
bin | 100010111000010010… |
… | …0000000100101011111 |
3 | 21011100010002011220112 |
4 | 1011300210000211133 |
5 | 2211400122304212 |
6 | 54224313440235 |
7 | 5261110262324 |
oct | 1056044004537 |
9 | 234303064815 |
10 | 74902931807 |
11 | 29847830330 |
12 | 12624a1007b |
13 | 70a914b032 |
14 | 38a7c4ab4b |
15 | 1e35c91422 |
hex | 117090095f |
74902931807 has 64 divisors (see below), whose sum is σ = 88078233600. Its totient is φ = 63033189120.
The previous prime is 74902931797. The next prime is 74902931819. The reversal of 74902931807 is 70813920947.
It is not a de Polignac number, because 74902931807 - 24 = 74902931791 is a prime.
It is a super-2 number, since 2×749029318072 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (74902931897) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 418452044 + ... + 418452222.
It is an arithmetic number, because the mean of its divisors is an integer number (1376222400).
Almost surely, 274902931807 is an apocalyptic number.
74902931807 is a deficient number, since it is larger than the sum of its proper divisors (13175301793).
74902931807 is a wasteful number, since it uses less digits than its factorization.
74902931807 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 588.
The product of its (nonzero) digits is 762048, while the sum is 50.
The spelling of 74902931807 in words is "seventy-four billion, nine hundred two million, nine hundred thirty-one thousand, eight hundred seven".
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