Base | Representation |
---|---|
bin | 1111010010011… |
… | …0010100101011 |
3 | 11110122122020210 |
4 | 3310212110223 |
5 | 112403320412 |
6 | 10210152203 |
7 | 1406004042 |
oct | 364462453 |
9 | 143578223 |
10 | 64120107 |
11 | 33215427 |
12 | 19582663 |
13 | 103903bc |
14 | 8731559 |
15 | 596883c |
hex | 3d2652b |
64120107 has 16 divisors (see below), whose sum is σ = 90685440. Its totient is φ = 40159872.
The previous prime is 64120099. The next prime is 64120129. The reversal of 64120107 is 70102146.
It is not a de Polignac number, because 64120107 - 23 = 64120099 is a prime.
It is a super-2 number, since 2×641201072 = 8222776243382898, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (64128107) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49494 + ... + 50772.
It is an arithmetic number, because the mean of its divisors is an integer number (5667840).
Almost surely, 264120107 is an apocalyptic number.
64120107 is a deficient number, since it is larger than the sum of its proper divisors (26565333).
64120107 is a wasteful number, since it uses less digits than its factorization.
64120107 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2282.
The product of its (nonzero) digits is 336, while the sum is 21.
The square root of 64120107 is about 8007.5031689035. The cubic root of 64120107 is about 400.2500665509.
The spelling of 64120107 in words is "sixty-four million, one hundred twenty thousand, one hundred seven".
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