Search a number
-
+
6768520904 = 233143363031
BaseRepresentation
bin1100100110110111…
…10110111011001000
3122110201011111011102
412103123312323020
5102330220132104
63035344520532
7326505323045
oct62333667310
918421144142
106768520904
112963720a32
12138a920148
1383b379672
14482d021cc
15299342a1e
hex1936f6ec8

6768520904 has 32 divisors (see below), whose sum is σ = 13130826240. Its totient is φ = 3267475200.

The previous prime is 6768520897. The next prime is 6768520919. The reversal of 6768520904 is 4090258676.

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 7 ways as a sum of consecutive naturals, for example, 75869 + ... + 138899.

It is an arithmetic number, because the mean of its divisors is an integer number (410338320).

Almost surely, 26768520904 is an apocalyptic number.

It is an amenable number.

6768520904 is a deficient number, since it is larger than the sum of its proper divisors (6362305336).

6768520904 is a wasteful number, since it uses less digits than its factorization.

6768520904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63501 (or 63497 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 47.

The square root of 6768520904 is about 82271.0210462955. The cubic root of 6768520904 is about 1891.6085057249.

The spelling of 6768520904 in words is "six billion, seven hundred sixty-eight million, five hundred twenty thousand, nine hundred four".

Divisors: 1 2 4 8 31 62 124 248 433 866 1732 3464 13423 26846 53692 63031 107384 126062 252124 504248 1953961 3907922 7815844 15631688 27292423 54584846 109169692 218339384 846065113 1692130226 3384260452 6768520904