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86119431858 = 23211342339937
BaseRepresentation
bin101000000110100011…
…1100011111010110010
322020021210220102101100
41100031013203322302
52402333033304413
6103321314145230
76136056043545
oct1201507437262
9266253812340
1086119431858
11335831a0889
1214835282216
138175b89005
14424d79685c
152390848a73
hex140d1e3eb2

86119431858 has 24 divisors (see below), whose sum is σ = 188243364348. Its totient is φ = 28452436992.

The previous prime is 86119431857. The next prime is 86119431887. The reversal of 86119431858 is 85813491168.

It is a happy number.

86119431858 is a `hidden beast` number, since 8 + 611 + 9 + 4 + 3 + 18 + 5 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 71784877329 + 14334554529 = 267927^2 + 119727^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (86119431851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21167935 + ... + 21172002.

Almost surely, 286119431858 is an apocalyptic number.

86119431858 is an abundant number, since it is smaller than the sum of its proper divisors (102123932490).

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

86119431858 is a wasteful number, since it uses less digits than its factorization.

86119431858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42340058 (or 42340055 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 54.

The spelling of 86119431858 in words is "eighty-six billion, one hundred nineteen million, four hundred thirty-one thousand, eight hundred fifty-eight".

Divisors: 1 2 3 6 9 18 113 226 339 678 1017 2034 42339937 84679874 127019811 254039622 381059433 762118866 4784412881 9568825762 14353238643 28706477286 43059715929 86119431858