Base | Representation |
---|---|
bin | 111011110101000111… |
… | …110010100011000011 |
3 | 20010211010122211200200 |
4 | 323311013302203003 |
5 | 2023031423031430 |
6 | 45302401020243 |
7 | 4432656002544 |
oct | 736507624303 |
9 | 203733584620 |
10 | 64242002115 |
11 | 25276a32035 |
12 | 1054a624683 |
13 | 609a550b05 |
14 | 31760004cb |
15 | 1a0ed7c460 |
hex | ef51f28c3 |
64242002115 has 48 divisors (see below), whose sum is σ = 112174601760. Its totient is φ = 34010403840.
The previous prime is 64242002089. The next prime is 64242002131. The reversal of 64242002115 is 51120024246.
64242002115 is a `hidden beast` number, since 6 + 424 + 20 + 0 + 211 + 5 = 666.
It is not a de Polignac number, because 64242002115 - 27 = 64242001987 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3684859 + ... + 3702251.
It is an arithmetic number, because the mean of its divisors is an integer number (2336970870).
Almost surely, 264242002115 is an apocalyptic number.
64242002115 is a deficient number, since it is larger than the sum of its proper divisors (47932599645).
64242002115 is a wasteful number, since it uses less digits than its factorization.
64242002115 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18004 (or 18001 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 27.
The spelling of 64242002115 in words is "sixty-four billion, two hundred forty-two million, two thousand, one hundred fifteen".
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