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268779880056604 = 22712881374521061
BaseRepresentation
bin111101000111010000110001…
…010001100000011100011100
31022020200002211222022200201211
4331013100301101200130130
5240212142143243302404
62351351434452114204
7110420463663503440
oct7507206121403434
91266602758280654
10268779880056604
11787069a8240094
122618b412005964
13b6c8aac1c9027
144a53030b76820
1521118ac839b04
hexf4743146071c

268779880056604 has 24 divisors (see below), whose sum is σ = 537563940506208. Its totient is φ = 115190481368640.

The previous prime is 268779880056529. The next prime is 268779880056619. The reversal of 268779880056604 is 406650088977862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33653767 + ... + 40867294.

It is an arithmetic number, because the mean of its divisors is an integer number (22398497521092).

Almost surely, 2268779880056604 is an apocalyptic number.

It is an amenable number.

268779880056604 is an abundant number, since it is smaller than the sum of its proper divisors (268784060449604).

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

268779880056604 is a wasteful number, since it uses less digits than its factorization.

268779880056604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74649885 (or 74649883 counting only the distinct ones).

The product of its (nonzero) digits is 1950842880, while the sum is 76.

The spelling of 268779880056604 in words is "two hundred sixty-eight trillion, seven hundred seventy-nine billion, eight hundred eighty million, fifty-six thousand, six hundred four".

Divisors: 1 2 4 7 14 28 128813 257626 515252 901691 1803382 3606764 74521061 149042122 298084244 521647427 1043294854 2086589708 9599281430593 19198562861186 38397125722372 67194970014151 134389940028302 268779880056604