Base | Representation |
---|---|
bin | 111011101111101100… |
… | …100001001001011111 |
3 | 20010120210100202211021 |
4 | 323233230201021133 |
5 | 2022340121420004 |
6 | 45245345505011 |
7 | 4430502135646 |
oct | 735754411137 |
9 | 203523322737 |
10 | 64150966879 |
11 | 2522a6039aa |
12 | 10524042167 |
13 | 60847288cc |
14 | 3167ca435d |
15 | 1a06d98d54 |
hex | eefb2125f |
64150966879 has 16 divisors (see below), whose sum is σ = 70949744640. Its totient is φ = 57693651840.
The previous prime is 64150966843. The next prime is 64150966907. The reversal of 64150966879 is 97866905146.
It is a cyclic number.
It is not a de Polignac number, because 64150966879 - 27 = 64150966751 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64150966819) 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, 304702 + ... + 470260.
It is an arithmetic number, because the mean of its divisors is an integer number (4434359040).
Almost surely, 264150966879 is an apocalyptic number.
64150966879 is a deficient number, since it is larger than the sum of its proper divisors (6798777761).
64150966879 is a wasteful number, since it uses less digits than its factorization.
64150966879 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 166590.
The product of its (nonzero) digits is 19595520, while the sum is 61.
The spelling of 64150966879 in words is "sixty-four billion, one hundred fifty million, nine hundred sixty-six thousand, eight hundred seventy-nine".
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