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57142666624175 = 5211218890137727
BaseRepresentation
bin11001111111000100100000…
…10110000111110010101111
321111022210012200112122221122
430333202100112013302233
524442211140123433200
6321310551215451155
715015264356115206
oct1477422026076257
9244283180478848
1057142666624175
111723108366a800
1264aa76b526abb
1325b66b820c602
141017a1129423d
1569162a221385
hex33f890587caf

57142666624175 has 18 divisors (see below), whose sum is σ = 77884037852544. Its totient is φ = 41558302997200.

The previous prime is 57142666624171. The next prime is 57142666624201.

57142666624175 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 57142666624175 - 22 = 57142666624171 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57142666624171) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 9445065839 + ... + 9445071888.

It is an arithmetic number, because the mean of its divisors is an integer number (4326890991808).

Almost surely, 257142666624175 is an apocalyptic number.

57142666624175 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

57142666624175 is a deficient number, since it is larger than the sum of its proper divisors (20741371228369).

57142666624175 is a wasteful number, since it uses less digits than its factorization.

57142666624175 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18890137759 (or 18890137743 counting only the distinct ones).

The product of its digits is 101606400, while the sum is 62.

The spelling of 57142666624175 in words is "fifty-seven trillion, one hundred forty-two billion, six hundred sixty-six million, six hundred twenty-four thousand, one hundred seventy-five".

Divisors: 1 5 11 25 55 121 275 605 3025 18890137727 94450688635 207791514997 472253443175 1038957574985 2285706664967 5194787874925 11428533324835 57142666624175