Base | Representation |
---|---|
bin | 110101011011111111… |
… | …100111111011111101 |
3 | 12111002202210101201012 |
4 | 311123333213323331 |
5 | 1420002230331112 |
6 | 42205321125005 |
7 | 4100610532661 |
oct | 653377477375 |
9 | 174082711635 |
10 | 57377980157 |
11 | 22374412813 |
12 | b153929765 |
13 | 5545477664 |
14 | 2ac455c8a1 |
15 | 175c473022 |
hex | d5bfe7efd |
57377980157 has 2 divisors, whose sum is σ = 57377980158. Its totient is φ = 57377980156.
The previous prime is 57377980141. The next prime is 57377980211. The reversal of 57377980157 is 75108977375.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 43583242756 + 13794737401 = 208766^2 + 117451^2 .
It is a cyclic number.
It is not a de Polignac number, because 57377980157 - 24 = 57377980141 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 57377980096 and 57377980105.
It is a congruent number.
It is a weakly prime.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28688990078 + 28688990079.
It is an arithmetic number, because the mean of its divisors is an integer number (28688990079).
Almost surely, 257377980157 is an apocalyptic number.
It is an amenable number.
57377980157 is a deficient number, since it is larger than the sum of its proper divisors (1).
57377980157 is an equidigital number, since it uses as much as digits as its factorization.
57377980157 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 12965400, while the sum is 59.
The spelling of 57377980157 in words is "fifty-seven billion, three hundred seventy-seven million, nine hundred eighty thousand, one hundred fifty-seven".
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