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83449927165931 = 143358234422307
BaseRepresentation
bin10010111110010110110011…
…010000111110011111101011
3101221110201211220110111010122
4102332112303100332133223
541414220422323302211
6453252211200433455
723402025663152114
oct2276266320763753
9357421756414118
1083449927165931
1124653a08393a17
1294391a391888b
1337743a994b691
141686dd882120b
1599aacdd306db
hex4be5b343e7eb

83449927165931 has 4 divisors (see below), whose sum is σ = 83508161589672. Its totient is φ = 83391692742192.

The previous prime is 83449927165919. The next prime is 83449927165967. The reversal of 83449927165931 is 13956172994438.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-83449927165931 is a prime.

It is a super-2 number, since 2×834499271659312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83449927167931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29117209721 + ... + 29117212586.

It is an arithmetic number, because the mean of its divisors is an integer number (20877040397418).

Almost surely, 283449927165931 is an apocalyptic number.

83449927165931 is a deficient number, since it is larger than the sum of its proper divisors (58234423741).

83449927165931 is a wasteful number, since it uses less digits than its factorization.

83449927165931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58234423740.

The product of its digits is 352719360, while the sum is 71.

The spelling of 83449927165931 in words is "eighty-three trillion, four hundred forty-nine billion, nine hundred twenty-seven million, one hundred sixty-five thousand, nine hundred thirty-one".

Divisors: 1 1433 58234422307 83449927165931