Base | Representation |
---|---|
bin | 111011101111111011… |
… | …010001010010011011 |
3 | 20010121001122020121202 |
4 | 323233323101102123 |
5 | 2022342114142300 |
6 | 45250004424415 |
7 | 4430550043403 |
oct | 735773212233 |
9 | 203531566552 |
10 | 64154834075 |
11 | 25231805432 |
12 | 105253a810b |
13 | 6085480ba7 |
14 | 31685cd803 |
15 | 1a073aead5 |
hex | eefed149b |
64154834075 has 12 divisors (see below), whose sum is σ = 79555135080. Its totient is φ = 51321840960.
The previous prime is 64154834063. The next prime is 64154834113. The reversal of 64154834075 is 57043845146.
It is not a de Polignac number, because 64154834075 - 26 = 64154834011 is a prime.
It is a super-2 number, since 2×641548340752 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1236047 + ... + 1286903.
It is an arithmetic number, because the mean of its divisors is an integer number (6629594590).
Almost surely, 264154834075 is an apocalyptic number.
64154834075 is a deficient number, since it is larger than the sum of its proper divisors (15400301005).
64154834075 is a wasteful number, since it uses less digits than its factorization.
64154834075 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 101326 (or 101321 counting only the distinct ones).
The product of its (nonzero) digits is 1612800, while the sum is 47.
The spelling of 64154834075 in words is "sixty-four billion, one hundred fifty-four million, eight hundred thirty-four thousand, seventy-five".
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