Base | Representation |
---|---|
bin | 111100000011100010… |
… | …110110111100010111 |
3 | 20011102222222112121200 |
4 | 330003202312330113 |
5 | 2024030344312111 |
6 | 45342403243543 |
7 | 4441654530603 |
oct | 740342667427 |
9 | 204388875550 |
10 | 64483979031 |
11 | 2539058595a |
12 | 105b76795b3 |
13 | 6108714714 |
14 | 319a1cc503 |
15 | 1a26229256 |
hex | f038b6f17 |
64483979031 has 12 divisors (see below), whose sum is σ = 93269574840. Its totient is φ = 42931142640.
The previous prime is 64483978973. The next prime is 64483979041. The reversal of 64483979031 is 13097938446.
It is a happy number.
64483979031 is a `hidden beast` number, since 64 + 483 + 9 + 79 + 0 + 31 = 666.
It is not a de Polignac number, because 64483979031 - 26 = 64483978967 is a prime.
It is a super-2 number, since 2×644839790312 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64483979041) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4841040 + ... + 4854341.
It is an arithmetic number, because the mean of its divisors is an integer number (7772464570).
Almost surely, 264483979031 is an apocalyptic number.
64483979031 is a deficient number, since it is larger than the sum of its proper divisors (28785595809).
64483979031 is a wasteful number, since it uses less digits than its factorization.
64483979031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9696126 (or 9696123 counting only the distinct ones).
The product of its (nonzero) digits is 3919104, while the sum is 54.
The spelling of 64483979031 in words is "sixty-four billion, four hundred eighty-three million, nine hundred seventy-nine thousand, thirty-one".
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