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12863839716 = 2235713145433
BaseRepresentation
bin10111111101011111…
…01001110111100100
31020012111120202200000
423332233221313210
5202321120332331
65524244421300
7633530555610
oct137657516744
936174522600
1012863839716
1155013361a2
1225b00a7830
1312a010a2a0
148a0644340
155045080e6
hex2febe9de4

12863839716 has 144 divisors (see below), whose sum is σ = 41503373184. Its totient is φ = 3392637696.

The previous prime is 12863839697. The next prime is 12863839727. The reversal of 12863839716 is 61793836821.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15736 + ... + 161168.

Almost surely, 212863839716 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12863839716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20751686592).

12863839716 is an abundant number, since it is smaller than the sum of its proper divisors (28639533468).

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

12863839716 is a wasteful number, since it uses less digits than its factorization.

12863839716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145472 (or 145458 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The spelling of 12863839716 in words is "twelve billion, eight hundred sixty-three million, eight hundred thirty-nine thousand, seven hundred sixteen".

Divisors: 1 2 3 4 6 7 9 12 13 14 18 21 26 27 28 36 39 42 52 54 63 78 81 84 91 108 117 126 156 162 182 189 234 243 252 273 324 351 364 378 468 486 546 567 702 756 819 972 1053 1092 1134 1404 1638 1701 2106 2268 2457 3159 3276 3402 4212 4914 6318 6804 7371 9828 12636 14742 22113 29484 44226 88452 145433 290866 436299 581732 872598 1018031 1308897 1745196 1890629 2036062 2617794 3054093 3781258 3926691 4072124 5235588 5671887 6108186 7562516 7853382 9162279 11343774 11780073 12216372 13234403 15706764 17015661 18324558 22687548 23560146 26468806 27486837 34031322 35340219 36649116 39703209 47120292 51046983 52937612 54973674 68062644 70680438 79406418 82460511 102093966 109947348 119109627 141360876 153140949 158812836 164921022 204187932 238219254 247381533 306281898 329842044 357328881 459422847 476438508 494763066 612563796 714657762 918845694 989526132 1071986643 1429315524 1837691388 2143973286 3215959929 4287946572 6431919858 12863839716