Base | Representation |
---|---|
bin | 11100110011010100… |
… | …000110000001101101 |
3 | 2221211021010011000121 |
4 | 130303110012001231 |
5 | 1001313433123103 |
6 | 22112420324541 |
7 | 2143236625414 |
oct | 346324060155 |
9 | 87737104017 |
10 | 30925676653 |
11 | 1212a813663 |
12 | 5bb0b43751 |
13 | 2bbb0ab971 |
14 | 16d536a47b |
15 | c100286bd |
hex | 73350606d |
30925676653 has 4 divisors (see below), whose sum is σ = 30932778940. Its totient is φ = 30918574368.
The previous prime is 30925676603. The next prime is 30925676671. The reversal of 30925676653 is 35667652903.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35667652903 = 37 ⋅963990619.
It can be written as a sum of positive squares in 2 ways, for example, as 28112222889 + 2813453764 = 167667^2 + 53042^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30925676653 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30925676653.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30925676603) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3544608 + ... + 3553321.
It is an arithmetic number, because the mean of its divisors is an integer number (7733194735).
Almost surely, 230925676653 is an apocalyptic number.
It is an amenable number.
30925676653 is a deficient number, since it is larger than the sum of its proper divisors (7102287).
30925676653 is an equidigital number, since it uses as much as digits as its factorization.
30925676653 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7102286.
The product of its (nonzero) digits is 6123600, while the sum is 52.
The spelling of 30925676653 in words is "thirty billion, nine hundred twenty-five million, six hundred seventy-six thousand, six hundred fifty-three".
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