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869371139104 = 251313339156671
BaseRepresentation
bin11001010011010101000…
…11101101010000100000
310002002222222011201212221
430221222203231100200
5103220433002422404
61503214504400424
7116544553516666
oct14515243552040
93062888151787
10869371139104
11305775386316
121205a6776114
1363c9b031a90
1430113640c36
15179335d3954
hexca6a8ed420

869371139104 has 48 divisors (see below), whose sum is σ = 1843383951360. Its totient is φ = 401215576320.

The previous prime is 869371139069. The next prime is 869371139123. The reversal of 869371139104 is 401931173968.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5470689 + ... + 5627359.

It is an arithmetic number, because the mean of its divisors is an integer number (38403832320).

Almost surely, 2869371139104 is an apocalyptic number.

It is an amenable number.

869371139104 is an abundant number, since it is smaller than the sum of its proper divisors (974012812256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

869371139104 is a wasteful number, since it uses less digits than its factorization.

869371139104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170033 (or 170025 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 52.

The spelling of 869371139104 in words is "eight hundred sixty-nine billion, three hundred seventy-one million, one hundred thirty-nine thousand, one hundred four".

Divisors: 1 2 4 8 13 16 26 32 52 104 208 416 13339 26678 53356 106712 156671 173407 213424 313342 346814 426848 626684 693628 1253368 1387256 2036723 2506736 2774512 4073446 5013472 5549024 8146892 16293784 32587568 65175136 2089834469 4179668938 8359337876 16718675752 27167848097 33437351504 54335696194 66874703008 108671392388 217342784776 434685569552 869371139104