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45106646405 = 554217166393
BaseRepresentation
bin101010000000100100…
…001100110110000101
311022102120010001102112
4222000210030312011
51214334300141110
632415515550405
73154533111512
oct520044146605
9138376101375
1045106646405
1118147587077
1288aa15b405
13433b040c22
14227c8b0309
15128eea7405
hexa8090cd85

45106646405 has 8 divisors (see below), whose sum is σ = 54129299352. Its totient is φ = 36084434688.

The previous prime is 45106646383. The next prime is 45106646423. The reversal of 45106646405 is 50464660154.

It can be written as a sum of positive squares in 4 ways, for example, as 835961569 + 44270684836 = 28913^2 + 210406^2 .

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 45106646405 - 226 = 45039537541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187889 + ... + 354281.

It is an arithmetic number, because the mean of its divisors is an integer number (6766162419).

Almost surely, 245106646405 is an apocalyptic number.

It is an amenable number.

45106646405 is a deficient number, since it is larger than the sum of its proper divisors (9022652947).

45106646405 is a wasteful number, since it uses less digits than its factorization.

45106646405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220615.

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 45106646405 in words is "forty-five billion, one hundred six million, six hundred forty-six thousand, four hundred five".

Divisors: 1 5 54217 166393 271085 831965 9021329281 45106646405