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57377980157 is a prime number
BaseRepresentation
bin110101011011111111…
…100111111011111101
312111002202210101201012
4311123333213323331
51420002230331112
642205321125005
74100610532661
oct653377477375
9174082711635
1057377980157
1122374412813
12b153929765
135545477664
142ac455c8a1
15175c473022
hexd5bfe7efd

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".