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53374394892 = 223713239204509
BaseRepresentation
bin110001101101010111…
…001010001000001100
312002202202100012012110
4301231113022020030
51333302321114032
640304142304020
73566444604510
oct615527121014
9162682305173
1053374394892
11206aa4aa965
12a416b88010
135057b9c0b0
142824954140
1515c5c407cc
hexc6d5ca20c

53374394892 has 96 divisors (see below), whose sum is σ = 153922406400. Its totient is φ = 14017796352.

The previous prime is 53374394861. The next prime is 53374394893. The reversal of 53374394892 is 29849347335.

It is not an unprimeable number, because it can be changed into a prime (53374394893) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 158734 + ... + 363242.

It is an arithmetic number, because the mean of its divisors is an integer number (1603358400).

Almost surely, 253374394892 is an apocalyptic number.

53374394892 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53374394892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76961203200).

53374394892 is an abundant number, since it is smaller than the sum of its proper divisors (100548011508).

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

53374394892 is a wasteful number, since it uses less digits than its factorization.

53374394892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204775 (or 204773 counting only the distinct ones).

The product of its digits is 19595520, while the sum is 57.

The spelling of 53374394892 in words is "fifty-three billion, three hundred seventy-four million, three hundred ninety-four thousand, eight hundred ninety-two".

Divisors: 1 2 3 4 6 7 12 13 14 21 26 28 39 42 52 78 84 91 156 182 239 273 364 478 546 717 956 1092 1434 1673 2868 3107 3346 5019 6214 6692 9321 10038 12428 18642 20076 21749 37284 43498 65247 86996 130494 204509 260988 409018 613527 818036 1227054 1431563 2454108 2658617 2863126 4294689 5317234 5726252 7975851 8589378 10634468 15951702 17178756 18610319 31903404 37220638 48877651 55830957 74441276 97755302 111661914 146632953 195510604 223323828 293265906 342143557 586531812 635409463 684287114 1026430671 1270818926 1368574228 1906228389 2052861342 2541637852 3812456778 4105722684 4447866241 7624913556 8895732482 13343598723 17791464964 26687197446 53374394892