Base | Representation |
---|---|
bin | 110000010011010010… |
… | …001100011000011010 |
3 | 11221212102122200122210 |
4 | 300103102030120122 |
5 | 1322203431101322 |
6 | 35454155055550 |
7 | 3514134310230 |
oct | 602322143032 |
9 | 157772580583 |
10 | 51863143962 |
11 | 1aaa4435753 |
12 | a074a415b6 |
13 | 4b76a6aa86 |
14 | 271dd62950 |
15 | 153822270c |
hex | c1348c61a |
51863143962 has 32 divisors (see below), whose sum is σ = 118818145152. Its totient is φ = 14783814144.
The previous prime is 51863143957. The next prime is 51863143963. The reversal of 51863143962 is 26934136815.
It is not an unprimeable number, because it can be changed into a prime (51863143963) 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, 1407723 + ... + 1444094.
It is an arithmetic number, because the mean of its divisors is an integer number (3713067036).
Almost surely, 251863143962 is an apocalyptic number.
51863143962 is an abundant number, since it is smaller than the sum of its proper divisors (66955001190).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51863143962 is a wasteful number, since it uses less digits than its factorization.
51863143962 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2852262.
The product of its digits is 933120, while the sum is 48.
The spelling of 51863143962 in words is "fifty-one billion, eight hundred sixty-three million, one hundred forty-three thousand, nine hundred sixty-two".
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