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1956160057 is a prime number
BaseRepresentation
bin111010010011000…
…1010001000111001
312001022212020010111
41310212022020321
513001234110212
6522035144321
766322041355
oct16446121071
95038766114
101956160057
11914224005
124671450a1
13252367a77
14147b26465
15b6b02ea7
hex7498a239

1956160057 has 2 divisors, whose sum is σ = 1956160058. Its totient is φ = 1956160056.

The previous prime is 1956160033. The next prime is 1956160091. The reversal of 1956160057 is 7500616591.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1954612521 + 1547536 = 44211^2 + 1244^2 .

It is a cyclic number.

It is not a de Polignac number, because 1956160057 - 27 = 1956159929 is a prime.

It is not a weakly prime, because it can be changed into another prime (1956160027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 978080028 + 978080029.

It is an arithmetic number, because the mean of its divisors is an integer number (978080029).

Almost surely, 21956160057 is an apocalyptic number.

It is an amenable number.

1956160057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1956160057 is an equidigital number, since it uses as much as digits as its factorization.

1956160057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56700, while the sum is 40.

The square root of 1956160057 is about 44228.4982449099. The cubic root of 1956160057 is about 1250.6471437328.

The spelling of 1956160057 in words is "one billion, nine hundred fifty-six million, one hundred sixty thousand, fifty-seven".