Base | Representation |
---|---|
bin | 10111001101111101011111… |
… | …10011011011101100011010 |
3 | 20200210000121211220122101200 |
4 | 23212332233303123230122 |
5 | 23143010144242240010 |
6 | 300331210554055030 |
7 | 13516522436105325 |
oct | 1346765763335432 |
9 | 220700554818350 |
10 | 51057225743130 |
11 | 152a527a966872 |
12 | 588729571a476 |
13 | 22648a2762c89 |
14 | c8727bca17bc |
15 | 5d81b02c6cc0 |
hex | 2e6fafcdbb1a |
51057225743130 has 96 divisors (see below), whose sum is σ = 134368115656320. Its totient is φ = 13449223912320.
The previous prime is 51057225743119. The next prime is 51057225743177. The reversal of 51057225743130 is 3134752275015.
51057225743130 is a `hidden beast` number, since 5 + 1 + 0 + 5 + 72 + 2 + 574 + 3 + 1 + 3 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 50150091 + ... + 51158049.
It is an arithmetic number, because the mean of its divisors is an integer number (1399667871420).
Almost surely, 251057225743130 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 51057225743130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67184057828160).
51057225743130 is an abundant number, since it is smaller than the sum of its proper divisors (83310889913190).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51057225743130 is a wasteful number, since it uses less digits than its factorization.
51057225743130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1014836 (or 1014833 counting only the distinct ones).
The product of its (nonzero) digits is 882000, while the sum is 45.
The spelling of 51057225743130 in words is "fifty-one trillion, fifty-seven billion, two hundred twenty-five million, seven hundred forty-three thousand, one hundred thirty".
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