Search a number
-
+
57053473247 is a prime number
BaseRepresentation
bin110101001000101001…
…101110100111011111
312110021011011201220202
4311020221232213133
51413321142120442
642113205534115
74056560343461
oct651051564737
9173234151822
1057053473247
112221821a991
12b08311433b
1354c3178c34
142a9340a131
15173dc22c32
hexd48a6e9df

57053473247 has 2 divisors, whose sum is σ = 57053473248. Its totient is φ = 57053473246.

The previous prime is 57053473223. The next prime is 57053473249. The reversal of 57053473247 is 74237435075.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57053473247 - 216 = 57053407711 is a prime.

It is a super-2 number, since 2×570534732472 (a number of 22 digits) contains 22 as substring.

Together with 57053473249, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57053473249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28526736623 + 28526736624.

It is an arithmetic number, because the mean of its divisors is an integer number (28526736624).

Almost surely, 257053473247 is an apocalyptic number.

57053473247 is a deficient number, since it is larger than the sum of its proper divisors (1).

57053473247 is an equidigital number, since it uses as much as digits as its factorization.

57053473247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2469600, while the sum is 47.

The spelling of 57053473247 in words is "fifty-seven billion, fifty-three million, four hundred seventy-three thousand, two hundred forty-seven".