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2781084152 = 2371131145637
BaseRepresentation
bin1010010111000011…
…1111100111111000
321011211002201020202
42211300333213320
521143424143102
61135544141332
7125626553030
oct24560774770
97154081222
102781084152
1111a7938760
12657467848
13354236432
141c54dc8c0
1511424ee02
hexa5c3f9f8

2781084152 has 64 divisors (see below), whose sum is σ = 6710999040. Its totient is φ = 1048579200.

The previous prime is 2781084149. The next prime is 2781084167. The reversal of 2781084152 is 2514801872.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53723 + ... + 91914.

It is an arithmetic number, because the mean of its divisors is an integer number (104859360).

Almost surely, 22781084152 is an apocalyptic number.

2781084152 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2781084152 is an abundant number, since it is smaller than the sum of its proper divisors (3929914888).

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

2781084152 is a wasteful number, since it uses less digits than its factorization.

2781084152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145692 (or 145688 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 38.

The square root of 2781084152 is about 52735.9853610417. The cubic root of 2781084152 is about 1406.2786284950.

The spelling of 2781084152 in words is "two billion, seven hundred eighty-one million, eighty-four thousand, one hundred fifty-two".

Divisors: 1 2 4 7 8 11 14 22 28 31 44 56 62 77 88 124 154 217 248 308 341 434 616 682 868 1364 1736 2387 2728 4774 9548 19096 145637 291274 582548 1019459 1165096 1602007 2038918 3204014 4077836 4514747 6408028 8155672 9029494 11214049 12816056 18058988 22428098 31603229 36117976 44856196 49662217 63206458 89712392 99324434 126412916 198648868 252825832 347635519 397297736 695271038 1390542076 2781084152