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53765731740 = 22357128013647
BaseRepresentation
bin110010000100101011…
…111111010110011100
312010210000201011102210
4302010223333112130
51340103011403430
640411042120420
73612236115330
oct620453772634
9163700634383
1053765731740
1120890399046
12a506050110
1350bac99466
1428609017c0
1515ea2922b0
hexc84aff59c

53765731740 has 48 divisors (see below), whose sum is σ = 172050342912. Its totient is φ = 12289310016.

The previous prime is 53765731739. The next prime is 53765731759. The reversal of 53765731740 is 4713756735.

It is a self number, because there is not a number n which added to its sum of digits gives 53765731740.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64006404 + ... + 64007243.

It is an arithmetic number, because the mean of its divisors is an integer number (3584382144).

Almost surely, 253765731740 is an apocalyptic number.

It is an amenable number.

53765731740 is an abundant number, since it is smaller than the sum of its proper divisors (118284611172).

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

53765731740 is a wasteful number, since it uses less digits than its factorization.

53765731740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128013666 (or 128013664 counting only the distinct ones).

The product of its (nonzero) digits is 1852200, while the sum is 48.

The spelling of 53765731740 in words is "fifty-three billion, seven hundred sixty-five million, seven hundred thirty-one thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 128013647 256027294 384040941 512054588 640068235 768081882 896095529 1280136470 1536163764 1792191058 1920204705 2560272940 2688286587 3584382116 3840409410 4480477645 5376573174 7680818820 8960955290 10753146348 13441432935 17921910580 26882865870 53765731740