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52800084080 = 2451394748209
BaseRepresentation
bin110001001011001000…
…010101100001110000
312001021201200011212122
4301023020111201300
51331113310142310
640131145013412
73546302211122
oct611310254160
9161251604778
1052800084080
11204352a8727
12a296784268
134c95bc9303
1427ac577212
1515905e9555
hexc4b215870

52800084080 has 40 divisors (see below), whose sum is σ = 123643388400. Its totient is φ = 20968086528.

The previous prime is 52800084041. The next prime is 52800084097. The reversal of 52800084080 is 8048000825.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 52800084080.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2362985 + ... + 2385224.

It is an arithmetic number, because the mean of its divisors is an integer number (3091084710).

Almost surely, 252800084080 is an apocalyptic number.

It is an amenable number.

52800084080 is an abundant number, since it is smaller than the sum of its proper divisors (70843304320).

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

52800084080 is a wasteful number, since it uses less digits than its factorization.

52800084080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4748361 (or 4748355 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 35.

The spelling of 52800084080 in words is "fifty-two billion, eight hundred million, eighty-four thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 139 278 556 695 1112 1390 2224 2780 5560 11120 4748209 9496418 18992836 23741045 37985672 47482090 75971344 94964180 189928360 379856720 660001051 1320002102 2640004204 3300005255 5280008408 6600010510 10560016816 13200021020 26400042040 52800084080