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45191429165 = 544789201797
BaseRepresentation
bin101010000101100111…
…100111110000101101
311022122110122110111202
4222011213213300231
51220023001213130
632432145055245
73156612544541
oct520547476055
9138573573452
1045191429165
1118190424673
128912627525
13435278723c
142289c5da21
151297653145
hexa859e7c2d

45191429165 has 8 divisors (see below), whose sum is σ = 54231194520. Its totient is φ = 36152156992.

The previous prime is 45191429141. The next prime is 45191429177. The reversal of 45191429165 is 56192419154.

It can be written as a sum of positive squares in 4 ways, for example, as 7330441924 + 37860987241 = 85618^2 + 194579^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-45191429165 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 123047 + ... + 324843.

It is an arithmetic number, because the mean of its divisors is an integer number (6778899315).

Almost surely, 245191429165 is an apocalyptic number.

It is an amenable number.

45191429165 is a deficient number, since it is larger than the sum of its proper divisors (9039765355).

45191429165 is a wasteful number, since it uses less digits than its factorization.

45191429165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246591.

The product of its digits is 388800, while the sum is 47.

The spelling of 45191429165 in words is "forty-five billion, one hundred ninety-one million, four hundred twenty-nine thousand, one hundred sixty-five".

Divisors: 1 5 44789 201797 223945 1008985 9038285833 45191429165