Base | Representation |
---|---|
bin | 1100000010001001… |
… | …10100110001010001 |
3 | 121200020120001011010 |
4 | 12001010310301101 |
5 | 101212341233011 |
6 | 2545022441133 |
7 | 316045166133 |
oct | 60104646121 |
9 | 17606501133 |
10 | 6460492881 |
11 | 2815863a17 |
12 | 13037331a9 |
13 | 7bc5ca76b |
14 | 45403d053 |
15 | 27c29a1a6 |
hex | 181134c51 |
6460492881 has 16 divisors (see below), whose sum is σ = 9171662400. Its totient is φ = 4030990848.
The previous prime is 6460492849. The next prime is 6460492897. The reversal of 6460492881 is 1882940646.
It is not a de Polignac number, because 6460492881 - 25 = 6460492849 is a prime.
It is a super-2 number, since 2×64604928812 = 83475936530903360322, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 6460492881.
It is not an unprimeable number, because it can be changed into a prime (6460492681) 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, 344716 + ... + 362973.
It is an arithmetic number, because the mean of its divisors is an integer number (573228900).
Almost surely, 26460492881 is an apocalyptic number.
It is an amenable number.
6460492881 is a deficient number, since it is larger than the sum of its proper divisors (2711169519).
6460492881 is a wasteful number, since it uses less digits than its factorization.
6460492881 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 707888.
The product of its (nonzero) digits is 663552, while the sum is 48.
The square root of 6460492881 is about 80377.1912982781. The cubic root of 6460492881 is about 1862.4668468251.
The spelling of 6460492881 in words is "six billion, four hundred sixty million, four hundred ninety-two thousand, eight hundred eighty-one".
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