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5181938976 = 25371760261
BaseRepresentation
bin1001101001101111…
…00001110100100000
3111101010201202220210
410310313201310200
541103034021401
62214110534120
7242261516544
oct46467416440
914333652823
105181938976
11221a0844a5
121007507340
136477611a6
14372301a24
15204de44d6
hex134de1d20

5181938976 has 48 divisors (see below), whose sum is σ = 13794193728. Its totient is φ = 1702982400.

The previous prime is 5181938903. The next prime is 5181938977. The reversal of 5181938976 is 6798391815.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (5181938977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373315 + ... + 386946.

It is an arithmetic number, because the mean of its divisors is an integer number (287379036).

Almost surely, 25181938976 is an apocalyptic number.

It is an amenable number.

5181938976 is an abundant number, since it is smaller than the sum of its proper divisors (8612254752).

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

5181938976 is a wasteful number, since it uses less digits than its factorization.

5181938976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760345 (or 760337 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 57.

The square root of 5181938976 is about 71985.6859104642. The cubic root of 5181938976 is about 1730.4700935513.

The spelling of 5181938976 in words is "five billion, one hundred eighty-one million, nine hundred thirty-eight thousand, nine hundred seventy-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 71 96 142 213 284 426 568 852 1136 1704 2272 3408 6816 760261 1520522 2280783 3041044 4561566 6082088 9123132 12164176 18246264 24328352 36492528 53978531 72985056 107957062 161935593 215914124 323871186 431828248 647742372 863656496 1295484744 1727312992 2590969488 5181938976