Base | Representation |
---|---|
bin | 11101000111010011… |
… | …10110101110100100 |
3 | 1111100022122201121201 |
4 | 32203221312232210 |
5 | 224002410411124 |
6 | 11103001052244 |
7 | 1062224366152 |
oct | 164351665644 |
9 | 44308581551 |
10 | 15630560164 |
11 | 66a105321a |
12 | 3042787084 |
13 | 162138488b |
14 | a83c843d2 |
15 | 61736c144 |
hex | 3a3a76ba4 |
15630560164 has 12 divisors (see below), whose sum is σ = 28092763804. Its totient is φ = 7604056224.
The previous prime is 15630560161. The next prime is 15630560167. The reversal of 15630560164 is 46106503651.
It is an interprime number because it is at equal distance from previous prime (15630560161) and next prime (15630560167).
It can be written as a sum of positive squares in 2 ways, for example, as 14162904064 + 1467656100 = 119008^2 + 38310^2 .
It is a super-2 number, since 2×156305601642 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (37).
It is not an unprimeable number, because it can be changed into a prime (15630560161) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52805799 + ... + 52806094.
Almost surely, 215630560164 is an apocalyptic number.
It is an amenable number.
15630560164 is a deficient number, since it is larger than the sum of its proper divisors (12462203640).
15630560164 is a wasteful number, since it uses less digits than its factorization.
15630560164 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 105611934 (or 105611932 counting only the distinct ones).
The product of its (nonzero) digits is 64800, while the sum is 37.
The spelling of 15630560164 in words is "fifteen billion, six hundred thirty million, five hundred sixty thousand, one hundred sixty-four".
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