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268932105855 = 365741257077
BaseRepresentation
bin1111101001110110011…
…0100100011001111111
3221201011100012111000000
43322131212210121333
513401233104341410
6323313512205343
725300250116440
oct3723546443177
9851140174000
10268932105855
11a4065187626
1244154999853
131c48b4474aa
14d032d552c7
156edee41dc0
hex3e9d9a467f

268932105855 has 112 divisors (see below), whose sum is σ = 566468288064. Its totient is φ = 119941378560.

The previous prime is 268932105833. The next prime is 268932105901. The reversal of 268932105855 is 558501239862.

It is a happy number.

268932105855 is a `hidden beast` number, since 26 + 8 + 9 + 32 + 1 + 0 + 585 + 5 = 666.

It is not a de Polignac number, because 268932105855 - 25 = 268932105823 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 917577 + ... + 1174653.

It is an arithmetic number, because the mean of its divisors is an integer number (5057752572).

Almost surely, 2268932105855 is an apocalyptic number.

268932105855 is an abundant number, since it is smaller than the sum of its proper divisors (297536182209).

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

268932105855 is an equidigital number, since it uses as much as digits as its factorization.

268932105855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257148 (or 257133 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 54.

The spelling of 268932105855 in words is "two hundred sixty-eight billion, nine hundred thirty-two million, one hundred five thousand, eight hundred fifty-five".

Divisors: 1 3 5 7 9 15 21 27 35 41 45 63 81 105 123 135 189 205 243 287 315 369 405 567 615 729 861 945 1107 1215 1435 1701 1845 2583 2835 3321 3645 4305 5103 5535 7749 8505 9963 12915 16605 23247 25515 29889 38745 49815 69741 116235 149445 209223 257077 348705 771231 1046115 1285385 1799539 2313693 3856155 5398617 6941079 8997695 10540157 11568465 16195851 20823237 26993085 31620471 34705395 48587553 52700785 62469711 73781099 80979255 94861413 104116185 145762659 158102355 187409133 221343297 242937765 284584239 312348555 368905495 437287977 474307065 664029891 728813295 853752717 937045665 1106716485 1311863931 1422921195 1992089673 2186439885 2561258151 3320149455 4268763585 5976269019 6559319655 7683774453 9960448365 12806290755 17928807057 29881345095 38418872265 53786421171 89644035285 268932105855