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53407186880 = 2653114093821
BaseRepresentation
bin110001101111010100…
…001111111111000000
312002212001001012100112
4301233110033333000
51333334214440010
640311313210452
73600323412125
oct615724177700
9162761035315
1053407186880
1120716a67a83
12a425b60a28
135061910b38
14282904c74c
1515c8a6ba05
hexc6f50ffc0

53407186880 has 112 divisors (see below), whose sum is σ = 131405863680. Its totient is φ = 20653670400.

The previous prime is 53407186867. The next prime is 53407186901. The reversal of 53407186880 is 8868170435.

It is a super-2 number, since 2×534071868802 (a number of 22 digits) contains 22 as substring.

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, 13975370 + ... + 13979190.

It is an arithmetic number, because the mean of its divisors is an integer number (1173266640).

Almost surely, 253407186880 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53407186880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65702931840).

53407186880 is an abundant number, since it is smaller than the sum of its proper divisors (77998676800).

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

53407186880 is a wasteful number, since it uses less digits than its factorization.

53407186880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5278 (or 5268 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 50.

The spelling of 53407186880 in words is "fifty-three billion, four hundred seven million, one hundred eighty-six thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 31 32 40 62 64 80 124 155 160 248 310 320 496 620 992 1240 1409 1984 2480 2818 3821 4960 5636 7045 7642 9920 11272 14090 15284 19105 22544 28180 30568 38210 43679 45088 56360 61136 76420 87358 90176 112720 118451 122272 152840 174716 218395 225440 236902 244544 305680 349432 436790 450880 473804 592255 611360 698864 873580 947608 1184510 1222720 1397728 1747160 1895216 2369020 2795456 3494320 3790432 4738040 5383789 6988640 7580864 9476080 10767578 13977280 18952160 21535156 26918945 37904320 43070312 53837890 86140624 107675780 166897459 172281248 215351560 333794918 344562496 430703120 667589836 834487295 861406240 1335179672 1668974590 1722812480 2670359344 3337949180 5340718688 6675898360 10681437376 13351796720 26703593440 53407186880