Base | Representation |
---|---|
bin | 111011111110111111… |
… | …001111111101101001 |
3 | 20011020200010210202111 |
4 | 323332333033331221 |
5 | 2023401312113330 |
6 | 45331033002321 |
7 | 4440036006220 |
oct | 737677177551 |
9 | 204220123674 |
10 | 64407535465 |
11 | 25351413759 |
12 | 10595b533a1 |
13 | 60c592b040 |
14 | 318ddadcb7 |
15 | 1a1e67932a |
hex | efefcff69 |
64407535465 has 32 divisors (see below), whose sum is σ = 97148943360. Its totient is φ = 39900432384.
The previous prime is 64407535429. The next prime is 64407535483. The reversal of 64407535465 is 56453570446.
It is a cyclic number.
It is not a de Polignac number, because 64407535465 - 211 = 64407533417 is a prime.
It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1484520 + ... + 1527289.
It is an arithmetic number, because the mean of its divisors is an integer number (3035904480).
Almost surely, 264407535465 is an apocalyptic number.
64407535465 is a gapful number since it is divisible by the number (65) formed by its first and last digit.
It is an amenable number.
64407535465 is a deficient number, since it is larger than the sum of its proper divisors (32741407895).
64407535465 is a wasteful number, since it uses less digits than its factorization.
64407535465 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3011881.
The product of its (nonzero) digits is 6048000, while the sum is 49.
The spelling of 64407535465 in words is "sixty-four billion, four hundred seven million, five hundred thirty-five thousand, four hundred sixty-five".
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