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80480481260 = 22515227264269
BaseRepresentation
bin100101011110100000…
…0101010111111101100
321200201211020001101012
41022331000222333230
52304311000400020
6100550000004352
75546244542414
oct1127500527754
9250654201335
1080480481260
113114a151833
12137209006b8
13778784485a
143c768cd644
15216077d7c5
hex12bd02afec

80480481260 has 24 divisors (see below), whose sum is σ = 169020749520. Its totient is φ = 32189956544.

The previous prime is 80480481239. The next prime is 80480481287. The reversal of 80480481260 is 6218408408.

It is a super-2 number, since 2×804804812602 (a number of 23 digits) contains 22 as substring.

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, 172406 + ... + 436674.

It is an arithmetic number, because the mean of its divisors is an integer number (7042531230).

Almost surely, 280480481260 is an apocalyptic number.

It is an amenable number.

80480481260 is an abundant number, since it is smaller than the sum of its proper divisors (88540268260).

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

80480481260 is a wasteful number, since it uses less digits than its factorization.

80480481260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279505 (or 279503 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 41.

Adding to 80480481260 its reverse (6218408408), we get a palindrome (86698889668).

The spelling of 80480481260 in words is "eighty billion, four hundred eighty million, four hundred eighty-one thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 15227 30454 60908 76135 152270 264269 304540 528538 1057076 1321345 2642690 5285380 4024024063 8048048126 16096096252 20120120315 40240240630 80480481260