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53643769111 = 195361873293
BaseRepresentation
bin110001111101011010…
…101111010100010111
312010110112012211011101
4301331122233110113
51334330301102421
640351004050531
73606225341212
oct617532572427
9163415184141
1053643769111
1120828566789
12a491233a47
13509b93611a
14284c634779
1515de700191
hexc7d6af517

53643769111 has 16 divisors (see below), whose sum is σ = 58475766240. Its totient is φ = 49044078720.

The previous prime is 53643769063. The next prime is 53643769117. The reversal of 53643769111 is 11196734635.

It is a cyclic number.

It is not a de Polignac number, because 53643769111 - 29 = 53643768599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53643769117) 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, 375220 + ... + 498073.

It is an arithmetic number, because the mean of its divisors is an integer number (3654735390).

Almost surely, 253643769111 is an apocalyptic number.

53643769111 is a deficient number, since it is larger than the sum of its proper divisors (4831997129).

53643769111 is a wasteful number, since it uses less digits than its factorization.

53643769111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873426.

The product of its digits is 408240, while the sum is 46.

The spelling of 53643769111 in words is "fifty-three billion, six hundred forty-three million, seven hundred sixty-nine thousand, one hundred eleven".

Divisors: 1 19 53 61 1007 1159 3233 61427 873293 16592567 46284529 53270873 879406051 1012146587 2823356269 53643769111