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840768905327 = 131712737979039
BaseRepresentation
bin11000011110000011011…
…10110110000001101111
32222101011122000201022012
430033001232312001233
5102233343314432302
61442124403311435
7114513015531221
oct14170156660157
92871148021265
10840768905327
112a462814578a
12116b4397b57b
13613904157b0
142c99cac6411
1516d0c55ca52
hexc3c1bb606f

840768905327 has 32 divisors (see below), whose sum is σ = 968815411200. Its totient is φ = 722768997888.

The previous prime is 840768905297. The next prime is 840768905341. The reversal of 840768905327 is 723509867048.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 840768905327 - 28 = 840768905071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (840768905387) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10597874 + ... + 10676912.

It is an arithmetic number, because the mean of its divisors is an integer number (30275481600).

Almost surely, 2840768905327 is an apocalyptic number.

840768905327 is a deficient number, since it is larger than the sum of its proper divisors (128046505873).

840768905327 is a wasteful number, since it uses less digits than its factorization.

840768905327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79575.

The product of its (nonzero) digits is 20321280, while the sum is 59.

The spelling of 840768905327 in words is "eight hundred forty billion, seven hundred sixty-eight million, nine hundred five thousand, three hundred twenty-seven".

Divisors: 1 13 17 127 221 379 1651 2159 4927 6443 28067 48133 79039 83759 625729 818261 1027507 1343663 10037953 10637393 17467619 29955781 130493389 170645201 389425153 509248277 2218387613 3804384187 6620227601 49456994431 64674531179 840768905327