Base | Representation |
---|---|
bin | 11100111011101101… |
… | …111000001011110001 |
3 | 2222012002101111210112 |
4 | 130323231320023301 |
5 | 1002111030402200 |
6 | 22134414111105 |
7 | 2146601124413 |
oct | 347355701361 |
9 | 88162344715 |
10 | 31066653425 |
11 | 121a2352595 |
12 | 60301ab495 |
13 | 2c1136b782 |
14 | 1709d869b3 |
15 | c1c5c4535 |
hex | 73bb782f1 |
31066653425 has 6 divisors (see below), whose sum is σ = 38522650278. Its totient is φ = 24853322720.
The previous prime is 31066653377. The next prime is 31066653427. The reversal of 31066653425 is 52435666013.
It can be written as a sum of positive squares in 3 ways, for example, as 891141904 + 30175511521 = 29852^2 + 173711^2 .
It is not a de Polignac number, because 31066653425 - 216 = 31066587889 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31066653427) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 621333044 + ... + 621333093.
It is an arithmetic number, because the mean of its divisors is an integer number (6420441713).
Almost surely, 231066653425 is an apocalyptic number.
It is an amenable number.
31066653425 is a deficient number, since it is larger than the sum of its proper divisors (7455996853).
31066653425 is a wasteful number, since it uses less digits than its factorization.
31066653425 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1242666147 (or 1242666142 counting only the distinct ones).
The product of its (nonzero) digits is 388800, while the sum is 41.
The spelling of 31066653425 in words is "thirty-one billion, sixty-six million, six hundred fifty-three thousand, four hundred twenty-five".
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