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101232110221985 = 510925235775647
BaseRepresentation
bin10111000001000111101111…
…111110000011101010100001
3111021102200202211001221000002
4113001013233332003222201
5101232041330204100420
6555145220040505345
730215531030213651
oct2701075776035241
9437380684057002
10101232110221985
112a28a32a117306
12b42b564a7b255
1344641bb0524b2
141add935b32361
15ba842d4ba075
hex5c11eff83aa1

101232110221985 has 48 divisors (see below), whose sum is σ = 123072342494976. Its totient is φ = 79936311545856.

The previous prime is 101232110221943. The next prime is 101232110221987. The reversal of 101232110221985 is 589122011232101.

It is not a de Polignac number, because 101232110221985 - 232 = 101227815254689 is a prime.

It is a super-2 number, since 2×1012321102219852 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (101232110221987) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17926703432 + ... + 17926709078.

It is an arithmetic number, because the mean of its divisors is an integer number (2564007135312).

Almost surely, 2101232110221985 is an apocalyptic number.

It is an amenable number.

101232110221985 is a deficient number, since it is larger than the sum of its proper divisors (21840232272991).

101232110221985 is an equidigital number, since it uses as much as digits as its factorization.

101232110221985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6970 (or 6861 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 38.

The spelling of 101232110221985 in words is "one hundred one trillion, two hundred thirty-two billion, one hundred ten million, two hundred twenty-one thousand, nine hundred eighty-five".

Divisors: 1 5 109 523 545 577 2615 2885 5647 11881 28235 57007 59405 62893 285035 301771 314465 615523 1508855 2953381 3077615 3258319 6213763 6855337 14766905 16291595 31068815 32893039 34276685 67092007 164465195 321918529 335460035 355156771 1609592645 1704100837 1775783855 3585341251 8520504185 17926706255 35089119661 38712088039 175445598305 185746991233 193560440195 928734956165 20246422044397 101232110221985