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83360375986 = 241680187993
BaseRepresentation
bin100110110100010101…
…0100110010010110010
321222011112020212020211
41031220222212102302
52331210224012421
6102143434054334
76010514335066
oct1155052462262
9258145225224
1083360375986
1132397839318
12141a527a3aa
137b26396284
14406b18daa6
15227d4ea9e1
hex1368aa64b2

83360375986 has 4 divisors (see below), whose sum is σ = 125040563982. Its totient is φ = 41680187992.

The previous prime is 83360375983. The next prime is 83360376019. The reversal of 83360375986 is 68957306338.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68957306338 = 234478653169.

It can be written as a sum of positive squares in only one way, i.e., 78781823761 + 4578552225 = 280681^2 + 67665^2 .

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 83360375986.

It is not an unprimeable number, because it can be changed into a prime (83360375981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20840093995 + ... + 20840093998.

Almost surely, 283360375986 is an apocalyptic number.

83360375986 is a deficient number, since it is larger than the sum of its proper divisors (41680187996).

83360375986 is a wasteful number, since it uses less digits than its factorization.

83360375986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41680187995.

The product of its (nonzero) digits is 19595520, while the sum is 58.

The spelling of 83360375986 in words is "eighty-three billion, three hundred sixty million, three hundred seventy-five thousand, nine hundred eighty-six".

Divisors: 1 2 41680187993 83360375986