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2688912670268 = 221183736284959
BaseRepresentation
bin100111001000001111101…
…011110011111000111100
3100112001112221120112121002
4213020033223303320330
5323023343120422033
65415134110225432
7365160522404066
oct47101753637074
910461487515532
102688912670268
119473a8114560
123751674b5278
1316674297b276
1494203470736
1549e289e53e8
hex2720faf3e3c

2688912670268 has 24 divisors (see below), whose sum is σ = 5195226677760. Its totient is φ = 1207507331120.

The previous prime is 2688912670189. The next prime is 2688912670349. The reversal of 2688912670268 is 8620762198862.

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, 368138828 + ... + 368146131.

It is an arithmetic number, because the mean of its divisors is an integer number (216467778240).

Almost surely, 22688912670268 is an apocalyptic number.

It is an amenable number.

2688912670268 is a deficient number, since it is larger than the sum of its proper divisors (2506314007492).

2688912670268 is a wasteful number, since it uses less digits than its factorization.

2688912670268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736285057 (or 736285055 counting only the distinct ones).

The product of its (nonzero) digits is 55738368, while the sum is 65.

The spelling of 2688912670268 in words is "two trillion, six hundred eighty-eight billion, nine hundred twelve million, six hundred seventy thousand, two hundred sixty-eight".

Divisors: 1 2 4 11 22 44 83 166 332 913 1826 3652 736284959 1472569918 2945139836 8099134549 16198269098 32396538196 61111651597 122223303194 244446606388 672228167567 1344456335134 2688912670268