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44806915997 = 1731137620603
BaseRepresentation
bin101001101110101100…
…110100011110011101
311021122200010011121022
4221232230310132131
51213231032302442
632330051413525
73144233334104
oct515654643635
9137580104538
1044806915997
1118003377198
1288258b42a5
1342c0c08a5c
142250b6b03b
1512739ed3d2
hexa6eb3479d

44806915997 has 16 divisors (see below), whose sum is σ = 49330570752. Its totient is φ = 40512898560.

The previous prime is 44806915949. The next prime is 44806915999. The reversal of 44806915997 is 79951960844.

It is not a de Polignac number, because 44806915997 - 210 = 44806914973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44806915999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238103 + ... + 382500.

It is an arithmetic number, because the mean of its divisors is an integer number (3083160672).

Almost surely, 244806915997 is an apocalyptic number.

It is an amenable number.

44806915997 is a deficient number, since it is larger than the sum of its proper divisors (4523654755).

44806915997 is a wasteful number, since it uses less digits than its factorization.

44806915997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620788.

The product of its (nonzero) digits is 19595520, while the sum is 62.

The spelling of 44806915997 in words is "forty-four billion, eight hundred six million, nine hundred fifteen thousand, nine hundred ninety-seven".

Divisors: 1 17 31 137 527 2329 4247 72199 620603 10550251 19238693 85022611 327057781 1445384387 2635700941 44806915997