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2755206380 = 225148392893
BaseRepresentation
bin1010010000111001…
…0001110011101100
321010000101222121202
42210032101303230
521120313101010
61133221345032
7125163603443
oct24416216354
97100358552
102755206380
111194273373
1264a868178
1334ba75844
141c1cc3d5a
15111d3c6a5
hexa4391cec

2755206380 has 24 divisors (see below), whose sum is σ = 5789897232. Its totient is φ = 1101327552.

The previous prime is 2755206379. The next prime is 2755206403. The reversal of 2755206380 is 836025572.

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, 16787 + ... + 76106.

It is an arithmetic number, because the mean of its divisors is an integer number (241245718).

Almost surely, 22755206380 is an apocalyptic number.

2755206380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2755206380 is an abundant number, since it is smaller than the sum of its proper divisors (3034690852).

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

2755206380 is a wasteful number, since it uses less digits than its factorization.

2755206380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94385 (or 94383 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 2755206380 is about 52490.0598208842. The cubic root of 2755206380 is about 1401.9032583432.

The spelling of 2755206380 in words is "two billion, seven hundred fifty-five million, two hundred six thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 1483 2966 5932 7415 14830 29660 92893 185786 371572 464465 928930 1857860 137760319 275520638 551041276 688801595 1377603190 2755206380