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57062451011 = 254572241523
BaseRepresentation
bin110101001001001011…
…111110011101000011
312110021210001212002112
4311021023332131003
51413330441413021
642114130205535
74060026554636
oct651113763503
9173253055075
1057062451011
11222222a2025
12b0861238ab
1354c4ca0417
142a946a5c1d
15173e8e7d5b
hexd492fe743

57062451011 has 4 divisors (see below), whose sum is σ = 57064717992. Its totient is φ = 57060184032.

The previous prime is 57062450989. The next prime is 57062451023. The reversal of 57062451011 is 11015426075.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-57062451011 is a prime.

It is a super-2 number, since 2×570624510112 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57062451911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1095305 + ... + 1146218.

It is an arithmetic number, because the mean of its divisors is an integer number (14266179498).

Almost surely, 257062451011 is an apocalyptic number.

57062451011 is a deficient number, since it is larger than the sum of its proper divisors (2266981).

57062451011 is a wasteful number, since it uses less digits than its factorization.

57062451011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2266980.

The product of its (nonzero) digits is 8400, while the sum is 32.

Adding to 57062451011 its reverse (11015426075), we get a palindrome (68077877086).

The spelling of 57062451011 in words is "fifty-seven billion, sixty-two million, four hundred fifty-one thousand, eleven".

Divisors: 1 25457 2241523 57062451011