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86421230012 = 22138969185299
BaseRepresentation
bin101000001111100011…
…0110101000110111100
322021001211210100121202
41100133012311012330
52403442313330022
6103411254515032
76146412222545
oct1203706650674
9267054710552
1086421230012
1133718593247
12148ba365a78
1381c35663c0
14427b8b74cc
1523ac0b0592
hex141f1b51bc

86421230012 has 24 divisors (see below), whose sum is σ = 162889818000. Its totient is φ = 39882059136.

The previous prime is 86421229981. The next prime is 86421230023. The reversal of 86421230012 is 21003212468.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373739 + ... + 559037.

It is an arithmetic number, because the mean of its divisors is an integer number (6787075750).

Almost surely, 286421230012 is an apocalyptic number.

It is an amenable number.

86421230012 is a deficient number, since it is larger than the sum of its proper divisors (76468587988).

86421230012 is a wasteful number, since it uses less digits than its factorization.

86421230012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194285 (or 194283 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The spelling of 86421230012 in words is "eighty-six billion, four hundred twenty-one million, two hundred thirty thousand, twelve".

Divisors: 1 2 4 13 26 52 8969 17938 35876 116597 185299 233194 370598 466388 741196 2408887 4817774 9635548 1661946731 3323893462 6647786924 21605307503 43210615006 86421230012