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86121011012168 = 23116014243383777
BaseRepresentation
bin10011100101001110011100…
…010001001110001001001000
3102021221002101022221220222202
4103211032130101032021020
542242001312304342133
6503055240221335332
724066015636221336
oct2345163421161110
9367832338856882
1086121011012168
1125493796601060
1297aa9b4407548
13390923a9a0a12
14173a3ca0a2b56
159e53124d12e8
hex4e539c44e248

86121011012168 has 64 divisors (see below), whose sum is σ = 176491765235520. Its totient is φ = 39071467008000.

The previous prime is 86121011012161. The next prime is 86121011012171.

86121011012168 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (86121011012161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224211896 + ... + 224595672.

It is an arithmetic number, because the mean of its divisors is an integer number (2757683831805).

Almost surely, 286121011012168 is an apocalyptic number.

86121011012168 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

86121011012168 is an abundant number, since it is smaller than the sum of its proper divisors (90370754223352).

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

86121011012168 is a wasteful number, since it uses less digits than its factorization.

86121011012168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388638 (or 388634 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 38.

It can be divided in two parts, 8612101 and 1012168, that added together give a palindrome (9624269).

The spelling of 86121011012168 in words is "eighty-six trillion, one hundred twenty-one billion, eleven million, twelve thousand, one hundred sixty-eight".

Divisors: 1 2 4 8 11 22 44 88 601 1202 2404 4243 4808 6611 8486 13222 16972 26444 33944 46673 52888 93346 186692 373384 383777 767554 1535108 2550043 3070216 4221547 5100086 8443094 10200172 16886188 20400344 28050473 33772376 56100946 112201892 224403784 230649977 461299954 922599908 1628365811 1845199816 2537149747 3256731622 5074299494 6513463244 10148598988 13026926488 17912023921 20297197976 35824047842 71648095684 143296191368 978647852411 1957295704822 3914591409644 7829182819288 10765126376521 21530252753042 43060505506084 86121011012168