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57197505366145 = 5172843236690759
BaseRepresentation
bin11010000000101010101001…
…11111010100100010000001
321111112000202111022101201001
431000111110333110202001
524444110442333204040
6321352100552212001
715022245334536334
oct1500252477244201
9244460674271631
1057197505366145
1117252364709261
1264b931499a001
1325bb917599961
14101a5344aa61b
15692c897b759a
hex340554fd4881

57197505366145 has 16 divisors (see below), whose sum is σ = 72700040315520. Its totient is φ = 43051208591104.

The previous prime is 57197505366103. The next prime is 57197505366167. The reversal of 57197505366145 is 54166350579175.

It is a cyclic number.

It is not a de Polignac number, because 57197505366145 - 219 = 57197504841857 is a prime.

It is a super-2 number, since 2×571975053661452 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118103725 + ... + 118587034.

It is an arithmetic number, because the mean of its divisors is an integer number (4543752519720).

Almost surely, 257197505366145 is an apocalyptic number.

It is an amenable number.

57197505366145 is a deficient number, since it is larger than the sum of its proper divisors (15502534949375).

57197505366145 is a wasteful number, since it uses less digits than its factorization.

57197505366145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236693624.

The product of its (nonzero) digits is 119070000, while the sum is 64.

The spelling of 57197505366145 in words is "fifty-seven trillion, one hundred ninety-seven billion, five hundred five million, three hundred sixty-six thousand, one hundred forty-five".

Divisors: 1 5 17 85 2843 14215 48331 241655 236690759 1183453795 4023742903 20118714515 672911827837 3364559139185 11439501073229 57197505366145