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45151193631 = 397155158741
BaseRepresentation
bin101010000011001110…
…001000101000011111
311022112122221021201210
4222003032020220133
51214432201144011
632424150435503
73155613546015
oct520316105037
9138478837653
1045151193631
111816a743065
128901062b93
13434733a42b
1422847888b5
151293d566a6
hexa83388a1f

45151193631 has 8 divisors (see below), whose sum is σ = 60822226864. Its totient is φ = 29790478080.

The previous prime is 45151193599. The next prime is 45151193669. The reversal of 45151193631 is 13639115154.

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

It is not a de Polignac number, because 45151193631 - 25 = 45151193599 is a prime.

It is a super-2 number, since 2×451511936312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45151193631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45151193431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77579080 + ... + 77579661.

It is an arithmetic number, because the mean of its divisors is an integer number (7602778358).

Almost surely, 245151193631 is an apocalyptic number.

45151193631 is a deficient number, since it is larger than the sum of its proper divisors (15671033233).

45151193631 is a wasteful number, since it uses less digits than its factorization.

45151193631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155158841.

The product of its digits is 48600, while the sum is 39.

The spelling of 45151193631 in words is "forty-five billion, one hundred fifty-one million, one hundred ninety-three thousand, six hundred thirty-one".

Divisors: 1 3 97 291 155158741 465476223 15050397877 45151193631