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45236168621 = 734918516647
BaseRepresentation
bin101010001000010010…
…010010011110101101
311022202120211110111122
4222020102102132231
51220120424343441
632440424030325
73160665042350
oct521022223655
9138676743448
1045236168621
1118203702026
1289256023a5
13435bb200a7
142291b88297
15129b53e34b
hexa884927ad

45236168621 has 8 divisors (see below), whose sum is σ = 51846614400. Its totient is φ = 38662756848.

The previous prime is 45236168599. The next prime is 45236168623. The reversal of 45236168621 is 12686163254.

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-45236168621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45236168623) 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, 9255881 + ... + 9260766.

It is an arithmetic number, because the mean of its divisors is an integer number (6480826800).

Almost surely, 245236168621 is an apocalyptic number.

It is an amenable number.

45236168621 is a deficient number, since it is larger than the sum of its proper divisors (6610445779).

45236168621 is a wasteful number, since it uses less digits than its factorization.

45236168621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18517003.

The product of its digits is 414720, while the sum is 44.

The spelling of 45236168621 in words is "forty-five billion, two hundred thirty-six million, one hundred sixty-eight thousand, six hundred twenty-one".

Divisors: 1 7 349 2443 18516647 129616529 6462309803 45236168621