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768931324330 = 2513231511170197
BaseRepresentation
bin10110011000001111110…
…00001110000110101010
32201111202010221111012011
423030013320032012222
5100044232404334310
61345124150510134
7106360556262451
oct13140770160652
92644663844164
10768931324330
11277113760934
1210503566534a
1357682380610
1429306013b98
151500596d78a
hexb307e0e1aa

768931324330 has 64 divisors (see below), whose sum is σ = 1556388546048. Its totient is φ = 271387733760.

The previous prime is 768931324283. The next prime is 768931324351. The reversal of 768931324330 is 33423139867.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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 31 ways as a sum of consecutive naturals, for example, 4432792 + ... + 4602988.

It is an arithmetic number, because the mean of its divisors is an integer number (24318571032).

Almost surely, 2768931324330 is an apocalyptic number.

768931324330 is an abundant number, since it is smaller than the sum of its proper divisors (787457221718).

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

768931324330 is a wasteful number, since it uses less digits than its factorization.

768931324330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171751.

The product of its (nonzero) digits is 1959552, while the sum is 49.

The spelling of 768931324330 in words is "seven hundred sixty-eight billion, nine hundred thirty-one million, three hundred twenty-four thousand, three hundred thirty".

Divisors: 1 2 5 10 13 23 26 46 65 115 130 230 299 598 1495 1511 2990 3022 7555 15110 19643 34753 39286 69506 98215 170197 173765 196430 340394 347530 451789 850985 903578 1701970 2212561 2258945 3914531 4425122 4517890 7829062 11062805 19572655 22125610 39145310 50888903 101777806 254444515 257167667 508889030 514335334 1285838335 2571676670 3343179671 5914856341 6686359342 11829712682 16715898355 29574281705 33431796710 59148563410 76893132433 153786264866 384465662165 768931324330