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57609052189 = 1329197775681
BaseRepresentation
bin110101101001110001…
…000110000000011101
312111200212121001221121
4311221301012000131
51420440404132224
642244253530541
74106414602243
oct655161060035
9174625531847
1057609052189
1122482898637
12b1b91a3a51
1355812c0880
142b0710c793
1517728b8be4
hexd69c4601d

57609052189 has 16 divisors (see below), whose sum is σ = 64505715120. Its totient is φ = 51083182080.

The previous prime is 57609052187. The next prime is 57609052219. The reversal of 57609052189 is 98125090675.

It can be written as a sum of positive squares in 8 ways, for example, as 132825625 + 57476226564 = 11525^2 + 239742^2 .

It is a cyclic number.

It is not a de Polignac number, because 57609052189 - 21 = 57609052187 is a prime.

It is a super-2 number, since 2×576090521892 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57609052187) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313572 + ... + 462109.

It is an arithmetic number, because the mean of its divisors is an integer number (4031607195).

Almost surely, 257609052189 is an apocalyptic number.

It is an amenable number.

57609052189 is a deficient number, since it is larger than the sum of its proper divisors (6896662931).

57609052189 is a wasteful number, since it uses less digits than its factorization.

57609052189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775920.

The product of its (nonzero) digits is 1360800, while the sum is 52.

The spelling of 57609052189 in words is "fifty-seven billion, six hundred nine million, fifty-two thousand, one hundred eighty-nine".

Divisors: 1 13 29 197 377 2561 5713 74269 775681 10083853 22494749 152809157 292431737 1986519041 4431465553 57609052189