Base | Representation |
---|---|
bin | 1011111100001111… |
… | …11000001010011100 |
3 | 121112210100120221220 |
4 | 11332013320022130 |
5 | 101112201232224 |
6 | 2540053053340 |
7 | 314604163020 |
oct | 57607701234 |
9 | 17483316856 |
10 | 6410961564 |
11 | 279a903347 |
12 | 12ab027250 |
13 | 7b22777a7 |
14 | 44b628380 |
15 | 277c64279 |
hex | 17e1f829c |
6410961564 has 48 divisors (see below), whose sum is σ = 17288006400. Its totient is φ = 1811120256.
The previous prime is 6410961563. The next prime is 6410961593. The reversal of 6410961564 is 4651690146.
It is a super-2 number, since 2×64109615642 = 82200856350170652192, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6410961563) 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, 421294 + ... + 436245.
It is an arithmetic number, because the mean of its divisors is an integer number (360166800).
Almost surely, 26410961564 is an apocalyptic number.
It is an amenable number.
6410961564 is an abundant number, since it is smaller than the sum of its proper divisors (10877044836).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6410961564 is a wasteful number, since it uses less digits than its factorization.
6410961564 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 857642 (or 857640 counting only the distinct ones).
The product of its (nonzero) digits is 155520, while the sum is 42.
The square root of 6410961564 is about 80068.4804651618. The cubic root of 6410961564 is about 1857.6949095504.
The spelling of 6410961564 in words is "six billion, four hundred ten million, nine hundred sixty-one thousand, five hundred sixty-four".
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