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52100544990 = 23513133591141
BaseRepresentation
bin110000100001011011…
…110011100111011110
311222110222100220122110
4300201123303213132
51323200214414430
635533515254450
73523046216424
oct604133634736
9158428326573
1052100544990
112010644364a
12a12044a426
134bb3cbb960
1427436bd114
15154deb87b0
hexc216f39de

52100544990 has 32 divisors (see below), whose sum is σ = 134659871136. Its totient is φ = 12824749440.

The previous prime is 52100544989. The next prime is 52100545073. The reversal of 52100544990 is 9944500125.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 66795181 + ... + 66795960.

It is an arithmetic number, because the mean of its divisors is an integer number (4208120973).

Almost surely, 252100544990 is an apocalyptic number.

52100544990 is an abundant number, since it is smaller than the sum of its proper divisors (82559326146).

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

52100544990 is a wasteful number, since it uses less digits than its factorization.

52100544990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133591164.

The product of its (nonzero) digits is 64800, while the sum is 39.

The spelling of 52100544990 in words is "fifty-two billion, one hundred million, five hundred forty-four thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 133591141 267182282 400773423 667955705 801546846 1335911410 1736684833 2003867115 3473369666 4007734230 5210054499 8683424165 10420108998 17366848330 26050272495 52100544990