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53800537900 = 2252432290971
BaseRepresentation
bin110010000110110000…
…110000111100101100
312010212110012111111211
4302012300300330230
51340140414203100
640414324124204
73613141012114
oct620660607454
9163773174454
1053800537900
11208a900146a
12a515836664
1350c5264c15
1428653a2044
1515ed36a1ba
hexc86c30f2c

53800537900 has 54 divisors (see below), whose sum is σ = 119525769132. Its totient is φ = 21019672800.

The previous prime is 53800537877. The next prime is 53800537949. The reversal of 53800537900 is 973500835.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 39415 + ... + 330385.

Almost surely, 253800537900 is an apocalyptic number.

53800537900 is a gapful number since it is divisible by the number (50) 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 53800537900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59762884566).

53800537900 is an abundant number, since it is smaller than the sum of its proper divisors (65725231232).

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

53800537900 is a wasteful number, since it uses less digits than its factorization.

53800537900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291071 (or 291021 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 40.

The spelling of 53800537900 in words is "fifty-three billion, eight hundred million, five hundred thirty-seven thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 43 50 86 100 172 215 430 860 1075 1849 2150 3698 4300 7396 9245 18490 36980 46225 92450 184900 290971 581942 1163884 1454855 2909710 5819420 7274275 12511753 14548550 25023506 29097100 50047012 62558765 125117530 250235060 312793825 538005379 625587650 1076010758 1251175300 2152021516 2690026895 5380053790 10760107580 13450134475 26900268950 53800537900