Base | Representation |
---|---|
bin | 111011101100101100… |
… | …010010010011011111 |
3 | 20010110021112120101022 |
4 | 323230230102103133 |
5 | 2022234221340211 |
6 | 45240345434355 |
7 | 4426320615125 |
oct | 735454222337 |
9 | 203407476338 |
10 | 64100574431 |
11 | 25204115353 |
12 | 1050b19b9bb |
13 | 60771639aa |
14 | 3161307915 |
15 | 1a02742bdb |
hex | eecb124df |
64100574431 has 16 divisors (see below), whose sum is σ = 67039709184. Its totient is φ = 61174316544.
The previous prime is 64100574413. The next prime is 64100574437. The reversal of 64100574431 is 13447500146.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-64100574431 is a prime.
It is a super-2 number, since 2×641005744312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 64100574391 and 64100574400.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64100574437) 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, 30335231 + ... + 30337343.
It is an arithmetic number, because the mean of its divisors is an integer number (4189981824).
Almost surely, 264100574431 is an apocalyptic number.
64100574431 is a deficient number, since it is larger than the sum of its proper divisors (2939134753).
64100574431 is a wasteful number, since it uses less digits than its factorization.
64100574431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4510.
The product of its (nonzero) digits is 40320, while the sum is 35.
The spelling of 64100574431 in words is "sixty-four billion, one hundred million, five hundred seventy-four thousand, four hundred thirty-one".
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