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53401337870909 = 7171062194224769
BaseRepresentation
bin11000010010001011101111…
…10001100011101000111101
321000002010012001102210110012
430021011313301203220331
523444411414443332114
6305324122544153005
714151055635326420
oct1411056761435075
9230063161383405
1053401337870909
11160194200703a6
125ba5654008765
1323a4955ac88b2
14d288d22419b7
1562915846d63e
hex309177c63a3d

53401337870909 has 16 divisors (see below), whose sum is σ = 64620729993600. Its totient is φ = 43079655112704.

The previous prime is 53401337870891. The next prime is 53401337870941. The reversal of 53401337870909 is 90907873310435.

It is not a de Polignac number, because 53401337870909 - 216 = 53401337805373 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 (53401337470909) 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, 10527677 + ... + 14752445.

It is an arithmetic number, because the mean of its divisors is an integer number (4038795624600).

Almost surely, 253401337870909 is an apocalyptic number.

It is an amenable number.

53401337870909 is a deficient number, since it is larger than the sum of its proper divisors (11219392122691).

53401337870909 is a wasteful number, since it uses less digits than its factorization.

53401337870909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4331012.

The product of its (nonzero) digits is 17146080, while the sum is 59.

The spelling of 53401337870909 in words is "fifty-three trillion, four hundred one billion, three hundred thirty-seven million, eight hundred seventy thousand, nine hundred nine".

Divisors: 1 7 17 119 106219 743533 1805723 4224769 12640061 29573383 71821073 502747511 448750738411 3141255168877 7628762552987 53401337870909