Base | Representation |
---|---|
bin | 10111010011101110101100… |
… | …11111111110100100010100 |
3 | 20201110222020222111110112022 |
4 | 23221313112133332210110 |
5 | 23204232122010401012 |
6 | 301002231535312312 |
7 | 13540040445603665 |
oct | 1351672637764424 |
9 | 221428228443468 |
10 | 51255443450132 |
11 | 15371347667949 |
12 | 58b979437b698 |
13 | 227a4a17518bc |
14 | c92ac339936c |
15 | 5dd41203e472 |
hex | 2e9dd67fe914 |
51255443450132 has 144 divisors (see below), whose sum is σ = 96281104993920. Its totient is φ = 23868713366784.
The previous prime is 51255443450131. The next prime is 51255443450143. The reversal of 51255443450132 is 23105434455215.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51255443450131) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27750645233 + ... + 27750647079.
It is an arithmetic number, because the mean of its divisors is an integer number (668618784680).
Almost surely, 251255443450132 is an apocalyptic number.
It is an amenable number.
51255443450132 is a deficient number, since it is larger than the sum of its proper divisors (45025661543788).
51255443450132 is a wasteful number, since it uses less digits than its factorization.
51255443450132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3278 (or 3257 counting only the distinct ones).
The product of its (nonzero) digits is 1440000, while the sum is 44.
The spelling of 51255443450132 in words is "fifty-one trillion, two hundred fifty-five billion, four hundred forty-three million, four hundred fifty thousand, one hundred thirty-two".
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