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44970992645 = 510177883777
BaseRepresentation
bin101001111000011110…
…101110010000000101
311022002002212010110012
4221320132232100011
51214100033231040
632354232240005
73151265062505
oct517036562005
9138062763405
1044970992645
1118087a53427
128870840005
134318bc5c27
14226887ba05
15128310d865
hexa787ae405

44970992645 has 8 divisors (see below), whose sum is σ = 53970554904. Its totient is φ = 35973218304.

The previous prime is 44970992641. The next prime is 44970992699. The reversal of 44970992645 is 54629907944.

It can be written as a sum of positive squares in 4 ways, for example, as 16082551489 + 28888441156 = 126817^2 + 169966^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 44970992645 - 22 = 44970992641 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 (44970992641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 391004 + ... + 492773.

It is an arithmetic number, because the mean of its divisors is an integer number (6746319363).

Almost surely, 244970992645 is an apocalyptic number.

It is an amenable number.

44970992645 is a deficient number, since it is larger than the sum of its proper divisors (8999562259).

44970992645 is a wasteful number, since it uses less digits than its factorization.

44970992645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893959.

The product of its (nonzero) digits is 19595520, while the sum is 59.

The spelling of 44970992645 in words is "forty-four billion, nine hundred seventy million, nine hundred ninety-two thousand, six hundred forty-five".

Divisors: 1 5 10177 50885 883777 4418885 8994198529 44970992645