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86650647284420 = 225106920691958861
BaseRepresentation
bin10011101100111011101101…
…000011010000101011000100
3102100210201110121001020221022
4103230323231003100223010
542324141011201100140
6504142431405010312
724152205550236062
oct2354735503205304
9370721417036838
1086650647284420
112567837346153a
129875586553998
133947175a3215b
141757cb12cd032
15a03eaed420b5
hex4eceed0d0ac4

86650647284420 has 48 divisors (see below), whose sum is σ = 182224704639600. Its totient is φ = 34611081669120.

The previous prime is 86650647284413. The next prime is 86650647284483. The reversal of 86650647284420 is 2448274605668.

It can be written as a sum of positive squares in 8 ways, for example, as 62709174724 + 86587938109696 = 250418^2 + 9305264^2 .

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 15 ways as a sum of consecutive naturals, for example, 43255790 + ... + 45214650.

It is an arithmetic number, because the mean of its divisors is an integer number (3796348013325).

Almost surely, 286650647284420 is an apocalyptic number.

It is an amenable number.

86650647284420 is an abundant number, since it is smaller than the sum of its proper divisors (95574057355180).

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

86650647284420 is a wasteful number, since it uses less digits than its factorization.

86650647284420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1962008 (or 1962006 counting only the distinct ones).

The product of its (nonzero) digits is 123863040, while the sum is 62.

The spelling of 86650647284420 in words is "eighty-six trillion, six hundred fifty billion, six hundred forty-seven million, two hundred eighty-four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 1069 2069 2138 4138 4276 5345 8276 10345 10690 20690 21380 41380 1958861 2211761 3917722 4423522 7835444 8847044 9794305 11058805 19588610 22117610 39177220 44235220 2094022409 4052883409 4188044818 8105766818 8376089636 10470112045 16211533636 20264417045 20940224090 40528834090 41880448180 81057668180 4332532364221 8665064728442 17330129456884 21662661821105 43325323642210 86650647284420