Base | Representation |
---|---|
bin | 11101010001001101… |
… | …100001000000101101 |
3 | 10000010012221122220002 |
4 | 131101031201000231 |
5 | 1003330340044103 |
6 | 22234255234045 |
7 | 2161540242644 |
oct | 352115410055 |
9 | 100105848802 |
10 | 31427268653 |
11 | 12367968100 |
12 | 6110b18925 |
13 | 2c6aca0571 |
14 | 1741c1835b |
15 | c3e0a8488 |
hex | 75136102d |
31427268653 has 12 divisors (see below), whose sum is σ = 34960226784. Its totient is φ = 28226015400.
The previous prime is 31427268647. The next prime is 31427268667. The reversal of 31427268653 is 35686272413.
It is not a de Polignac number, because 31427268653 - 26 = 31427268589 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 31427268598 and 31427268607.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31427268623) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1554593 + ... + 1574678.
It is an arithmetic number, because the mean of its divisors is an integer number (2913352232).
Almost surely, 231427268653 is an apocalyptic number.
It is an amenable number.
31427268653 is a deficient number, since it is larger than the sum of its proper divisors (3532958131).
31427268653 is a wasteful number, since it uses less digits than its factorization.
31427268653 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3129376 (or 3129365 counting only the distinct ones).
The product of its digits is 1451520, while the sum is 47.
The spelling of 31427268653 in words is "thirty-one billion, four hundred twenty-seven million, two hundred sixty-eight thousand, six hundred fifty-three".
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