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8130052984 = 2316712894721
BaseRepresentation
bin1111001001001011…
…01100001101111000
3202222121010111001111
413210211230031320
5113122243143414
63422423130104
7405320211244
oct74445541570
922877114044
108130052984
1134a2226159
1216aa8a3934
139c7479a51
14571a7d424
15328b398c4
hex1e496c378

8130052984 has 32 divisors (see below), whose sum is σ = 15350277600. Its totient is φ = 4036695040.

The previous prime is 8130052981. The next prime is 8130052991. The reversal of 8130052984 is 4892500318.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8130052981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1719744 + ... + 1724464.

It is an arithmetic number, because the mean of its divisors is an integer number (479696175).

Almost surely, 28130052984 is an apocalyptic number.

It is an amenable number.

8130052984 is a deficient number, since it is larger than the sum of its proper divisors (7220224616).

8130052984 is a wasteful number, since it uses less digits than its factorization.

8130052984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6183 (or 6179 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 8130052984 is about 90166.8064422823. The cubic root of 8130052984 is about 2010.7795449909.

The spelling of 8130052984 in words is "eight billion, one hundred thirty million, fifty-two thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 167 334 668 1289 1336 2578 4721 5156 9442 10312 18884 37768 215263 430526 788407 861052 1576814 1722104 3153628 6085369 6307256 12170738 24341476 48682952 1016256623 2032513246 4065026492 8130052984