Search a number
-
+
57369454273 is a prime number
BaseRepresentation
bin110101011011011111…
…000110011011000001
312111002011202020101201
4311123133012123001
51414443040014043
642204414301201
74100445213115
oct653337063301
9174064666351
1057369454273
112236a61a12a
12b150ab7801
135543780a61
142ac337d745
15175b83bc4d
hexd5b7c66c1

57369454273 has 2 divisors, whose sum is σ = 57369454274. Its totient is φ = 57369454272.

The previous prime is 57369454271. The next prime is 57369454283. The reversal of 57369454273 is 37245496375.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43929225649 + 13440228624 = 209593^2 + 115932^2 .

It is a cyclic number.

It is not a de Polignac number, because 57369454273 - 21 = 57369454271 is a prime.

Together with 57369454271, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (57369454271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28684727136 + 28684727137.

It is an arithmetic number, because the mean of its divisors is an integer number (28684727137).

Almost surely, 257369454273 is an apocalyptic number.

It is an amenable number.

57369454273 is a deficient number, since it is larger than the sum of its proper divisors (1).

57369454273 is an equidigital number, since it uses as much as digits as its factorization.

57369454273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19051200, while the sum is 55.

The spelling of 57369454273 in words is "fifty-seven billion, three hundred sixty-nine million, four hundred fifty-four thousand, two hundred seventy-three".