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2756275980 = 223554184913
BaseRepresentation
bin1010010001001001…
…0110111100001100
321010002102022211120
42210102112330030
521121101312410
61133300320540
7125205650013
oct24422267414
97102368746
102756275980
111194933a37
1264b0a3150
1334c05b643
141c20c1a7a
15111e9e570
hexa4496f0c

2756275980 has 48 divisors (see below), whose sum is σ = 7731929184. Its totient is φ = 733639680.

The previous prime is 2756275939. The next prime is 2756275981. The reversal of 2756275980 is 895726572.

It is not an unprimeable number, because it can be changed into a prime (2756275981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9997 + ... + 74916.

It is an arithmetic number, because the mean of its divisors is an integer number (161081858).

Almost surely, 22756275980 is an apocalyptic number.

2756275980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2756275980 is an abundant number, since it is smaller than the sum of its proper divisors (4975653204).

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

2756275980 is a wasteful number, since it uses less digits than its factorization.

2756275980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85466 (or 85464 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 51.

The square root of 2756275980 is about 52500.2474279884. The cubic root of 2756275980 is about 1402.0846460534.

The spelling of 2756275980 in words is "two billion, seven hundred fifty-six million, two hundred seventy-five thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 541 1082 1623 2164 2705 3246 5410 6492 8115 10820 16230 32460 84913 169826 254739 339652 424565 509478 849130 1018956 1273695 1698260 2547390 5094780 45937933 91875866 137813799 183751732 229689665 275627598 459379330 551255196 689068995 918758660 1378137990 2756275980