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83499690287 = 138597477361
BaseRepresentation
bin100110111000011111…
…0000010100100101111
321222112020101202112202
41031300332002210233
52332001410042122
6102205332052115
76014125441166
oct1156076024457
9258466352482
1083499690287
1132459442202
1214223a6403b
137b491c3480
1440818963dd
15228a868e92
hex1370f8292f

83499690287 has 8 divisors (see below), whose sum is σ = 90027438480. Its totient is φ = 76986898560.

The previous prime is 83499690269. The next prime is 83499690289. The reversal of 83499690287 is 78209699438.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 83499690287 - 214 = 83499673903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83499690289) by changing a digit.

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, 3727514 + ... + 3749847.

It is an arithmetic number, because the mean of its divisors is an integer number (11253429810).

Almost surely, 283499690287 is an apocalyptic number.

83499690287 is a deficient number, since it is larger than the sum of its proper divisors (6527748193).

83499690287 is a wasteful number, since it uses less digits than its factorization.

83499690287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7478233.

The product of its (nonzero) digits is 47029248, while the sum is 65.

The spelling of 83499690287 in words is "eighty-three billion, four hundred ninety-nine million, six hundred ninety thousand, two hundred eighty-seven".

Divisors: 1 13 859 11167 7477361 97205693 6423053099 83499690287