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86934843968 = 2674121312221
BaseRepresentation
bin101000011110110111…
…0000111001001000000
322022101122020122111212
41100331232013021000
52411020310001333
6103534243225252
76165216660410
oct1207556071100
9268348218455
1086934843968
11339614a8a95
1214a22378228
138275aa6c9b
1442c9bb4640
1523dc217448
hex143db87240

86934843968 has 112 divisors (see below), whose sum is σ = 202150236288. Its totient is φ = 36315648000.

The previous prime is 86934843943. The next prime is 86934843971.

86934843968 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (112).

It is a junction number, because it is equal to n+sod(n) for n = 86934843898 and 86934843907.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39141098 + ... + 39143318.

It is an arithmetic number, because the mean of its divisors is an integer number (1804912824).

Almost surely, 286934843968 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 86934843968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101075118144).

86934843968 is an abundant number, since it is smaller than the sum of its proper divisors (115215392320).

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

86934843968 is a wasteful number, since it uses less digits than its factorization.

86934843968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4412 (or 4402 counting only the distinct ones).

The product of its digits is 214990848, while the sum is 68.

The spelling of 86934843968 in words is "eighty-six billion, nine hundred thirty-four million, eight hundred forty-three thousand, nine hundred sixty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 41 56 64 82 112 164 224 287 328 448 574 656 1148 1312 2131 2221 2296 2624 4262 4442 4592 8524 8884 9184 14917 15547 17048 17768 18368 29834 31094 34096 35536 59668 62188 68192 71072 87371 91061 119336 124376 136384 142144 174742 182122 238672 248752 349484 364244 477344 497504 611597 637427 698968 728488 954688 995008 1223194 1274854 1397936 1456976 2446388 2549708 2795872 2913952 4732951 4892776 5099416 5591744 5827904 9465902 9785552 10198832 18931804 19571104 20397664 33130657 37863608 39142208 40795328 66261314 75727216 132522628 151454432 194050991 265045256 302908864 388101982 530090512 776203964 1060181024 1358356937 1552407928 2120362048 2716713874 3104815856 5433427748 6209631712 10866855496 12419263424 21733710992 43467421984 86934843968