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2660194944 = 273211209927
BaseRepresentation
bin1001111010001111…
…0101101010000000
320212101121220102200
42132203311222000
520422002214234
61115545113200
7122631166251
oct23643655200
96771556380
102660194944
111145679920
12622a88800
1333518a864
141b3430b28
15108820d99
hex9e8f5a80

2660194944 has 96 divisors (see below), whose sum is σ = 8350935840. Its totient is φ = 806115840.

The previous prime is 2660194931. The next prime is 2660194951. The reversal of 2660194944 is 4494910662.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 2660194944.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92292 + ... + 117635.

It is an arithmetic number, because the mean of its divisors is an integer number (86988915).

Almost surely, 22660194944 is an apocalyptic number.

2660194944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2660194944 is an abundant number, since it is smaller than the sum of its proper divisors (5690740896).

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

2660194944 is a wasteful number, since it uses less digits than its factorization.

2660194944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209958 (or 209943 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 2660194944 is about 51577.0776993036. The cubic root of 2660194944 is about 1385.5998295011.

The spelling of 2660194944 in words is "two billion, six hundred sixty million, one hundred ninety-four thousand, nine hundred forty-four".

Divisors: 1 2 3 4 6 8 9 11 12 16 18 22 24 32 33 36 44 48 64 66 72 88 96 99 128 132 144 176 192 198 264 288 352 384 396 528 576 704 792 1056 1152 1408 1584 2112 3168 4224 6336 12672 209927 419854 629781 839708 1259562 1679416 1889343 2309197 2519124 3358832 3778686 4618394 5038248 6717664 6927591 7557372 9236788 10076496 13435328 13855182 15114744 18473576 20152992 20782773 26870656 27710364 30229488 36947152 40305984 41565546 55420728 60458976 73894304 80611968 83131092 110841456 120917952 147788608 166262184 221682912 241835904 295577216 332524368 443365824 665048736 886731648 1330097472 2660194944