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33868282481 = 1121493187477
BaseRepresentation
bin11111100010101101…
…001111101001110001
310020102100011000100122
4133202231033221301
51023330240014411
623320414500025
72306200436225
oct374255175161
9106370130318
1033868282481
11133aa842a00
126692504615
133269919347
1418d40b2785
15d335319db
hex7e2b4fa71

33868282481 has 12 divisors (see below), whose sum is σ = 37252253556. Its totient is φ = 30768561120.

The previous prime is 33868282463. The next prime is 33868282493. The reversal of 33868282481 is 18428286833.

It can be written as a sum of positive squares in 2 ways, for example, as 22235581456 + 11632701025 = 149116^2 + 107855^2 .

It is not a de Polignac number, because 33868282481 - 226 = 33801173617 is a prime.

It is a super-2 number, since 2×338682824812 (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33868281481) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86915 + ... + 274391.

It is an arithmetic number, because the mean of its divisors is an integer number (3104354463).

Almost surely, 233868282481 is an apocalyptic number.

It is an amenable number.

33868282481 is a deficient number, since it is larger than the sum of its proper divisors (3383971075).

33868282481 is a wasteful number, since it uses less digits than its factorization.

33868282481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188992 (or 188981 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 53.

The spelling of 33868282481 in words is "thirty-three billion, eight hundred sixty-eight million, two hundred eighty-two thousand, four hundred eighty-one".

Divisors: 1 11 121 1493 16423 180653 187477 2062247 22684717 279903161 3078934771 33868282481