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57836679031849 = 2719227972
BaseRepresentation
bin11010010011010001001101…
…01101010110110000101001
321120210010120121022212010211
431021220212231112300221
530040044004313004344
6323001445322141121
715116363552211304
oct1511504655266051
9246703517285124
1057836679031849
1117479441572693
1265a11769517a1
132636c8b0361c3
14103d44b299b3b
156a46e87e2334
hex349a26b56c29

57836679031849 has 9 divisors (see below), whose sum is σ = 57878651275767. Its totient is φ = 57794737219704.

The previous prime is 57836679031841. The next prime is 57836679031883. The reversal of 57836679031849 is 94813097663875.

The square root of 57836679031849 is 7605043.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 42761071248025 + 15075607783824 = 6539195^2 + 3882732^2 .

It is not a de Polignac number, because 57836679031849 - 23 = 57836679031841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57836679031841) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 20678110519 + ... + 20678113315.

It is an arithmetic number, because the mean of its divisors is an integer number (6430961252863).

Almost surely, 257836679031849 is an apocalyptic number.

57836679031849 is the 7605043-rd square number.

57836679031849 is the 3802522-nd centered octagonal number.

It is an amenable number.

57836679031849 is a deficient number, since it is larger than the sum of its proper divisors (41972243918).

57836679031849 is an frugal number, since it uses more digits than its factorization.

57836679031849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11032 (or 5516 counting only the distinct ones).

The product of its (nonzero) digits is 1646023680, while the sum is 76.

The spelling of 57836679031849 in words is "fifty-seven trillion, eight hundred thirty-six billion, six hundred seventy-nine million, thirty-one thousand, eight hundred forty-nine".

Divisors: 1 2719 2797 7392961 7605043 7823209 20678111917 21271305271 57836679031849