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86081840680900 = 22529278032
BaseRepresentation
bin10011100100101001111101…
…100010010000111111000100
3102021210100021111001221000211
4103210221331202100333010
542240331102203242100
6503025241321245204
724063131155002661
oct2344517542207704
9367710244057024
1086081840680900
1125479115a08459
1297a32a2333804
13390563778b5cc
141738551b84a68
159e42bd7821ba
hex4e4a7d890fc4

86081840680900 has 27 divisors (see below), whose sum is σ = 186797795611021. Its totient is φ = 34432699160240.

The previous prime is 86081840680897. The next prime is 86081840680919. The reversal of 86081840680900 is 908604818068.

The square root of 86081840680900 is 9278030.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 30989462645124 + 55092378035776 = 5566818^2 + 7422424^2 .

It is a Duffinian number.

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 8 ways as a sum of consecutive naturals, for example, 92316399 + ... + 93244201.

Almost surely, 286081840680900 is an apocalyptic number.

86081840680900 is the 9278030-th square number.

It is an amenable number.

86081840680900 is an abundant number, since it is smaller than the sum of its proper divisors (100715954930121).

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

86081840680900 is an frugal number, since it uses more digits than its factorization.

86081840680900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1855620 (or 927810 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 58.

The spelling of 86081840680900 in words is "eighty-six trillion, eighty-one billion, eight hundred forty million, six hundred eighty thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 100 927803 1855606 3711212 4639015 9278030 18556060 23195075 46390150 92780300 860818406809 1721636813618 3443273627236 4304092034045 8608184068090 17216368136180 21520460170225 43040920340450 86081840680900