Base | Representation |
---|---|
bin | 1111011010100… |
… | …0111100001001 |
3 | 11111122211010211 |
4 | 3312220330021 |
5 | 113022430423 |
6 | 10225441121 |
7 | 1413362605 |
oct | 366507411 |
9 | 144584124 |
10 | 64655113 |
11 | 33550386 |
12 | 197a01a1 |
13 | 10519a83 |
14 | 8830505 |
15 | 5a2210d |
hex | 3da8f09 |
64655113 has 2 divisors, whose sum is σ = 64655114. Its totient is φ = 64655112.
The previous prime is 64655111. The next prime is 64655137. The reversal of 64655113 is 31155646.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 52461049 + 12194064 = 7243^2 + 3492^2 .
It is a cyclic number.
It is not a de Polignac number, because 64655113 - 21 = 64655111 is a prime.
Together with 64655111, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (64655111) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32327556 + 32327557.
It is an arithmetic number, because the mean of its divisors is an integer number (32327557).
Almost surely, 264655113 is an apocalyptic number.
It is an amenable number.
64655113 is a deficient number, since it is larger than the sum of its proper divisors (1).
64655113 is an equidigital number, since it uses as much as digits as its factorization.
64655113 is an evil number, because the sum of its binary digits is even.
The product of its digits is 10800, while the sum is 31.
The square root of 64655113 is about 8040.8403167828. The cubic root of 64655113 is about 401.3601882273.
The spelling of 64655113 in words is "sixty-four million, six hundred fifty-five thousand, one hundred thirteen".
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