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2140564980 = 223556536311
BaseRepresentation
bin111111110010110…
…0110110111110100
312112011211222010110
41333211212313310
513340441034410
6552223423020
7104021334141
oct17745466764
95464758113
102140564980
119a9325174
124b8a54a70
132816218c8
141644093c8
15c7dcb720
hex7f966df4

2140564980 has 48 divisors (see below), whose sum is σ = 5995592064. Its totient is φ = 570625920.

The previous prime is 2140564963. The next prime is 2140564991. The reversal of 2140564980 is 894650412.

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, 336025 + ... + 342335.

It is an arithmetic number, because the mean of its divisors is an integer number (124908168).

Almost surely, 22140564980 is an apocalyptic number.

2140564980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2140564980 is an abundant number, since it is smaller than the sum of its proper divisors (3855027084).

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

2140564980 is a wasteful number, since it uses less digits than its factorization.

2140564980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11976 (or 11974 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 2140564980 is about 46266.2401757480. The cubic root of 2140564980 is about 1288.7721385473.

The spelling of 2140564980 in words is "two billion, one hundred forty million, five hundred sixty-four thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 5653 6311 11306 12622 16959 18933 22612 25244 28265 31555 33918 37866 56530 63110 67836 75732 84795 94665 113060 126220 169590 189330 339180 378660 35676083 71352166 107028249 142704332 178380415 214056498 356760830 428112996 535141245 713521660 1070282490 2140564980