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45401311744 = 29173512569
BaseRepresentation
bin101010010010001000…
…010000101000000000
311100012002120121021121
4222102020100220000
51220440213433434
632505043402024
73165041532235
oct522210205000
9140162517247
1045401311744
1118288947548
128970983314
1343870c1809
1422a9a9578c
1512aacb07b4
hexa92210a00

45401311744 has 40 divisors (see below), whose sum is σ = 91238485140. Its totient is φ = 22569394176.

The previous prime is 45401311741. The next prime is 45401311751. The reversal of 45401311744 is 44711310454.

It can be written as a sum of positive squares in 2 ways, for example, as 33885446400 + 11515865344 = 184080^2 + 107312^2 .

It is a super-2 number, since 2×454013117442 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45401311741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167709 + ... + 344860.

Almost surely, 245401311744 is an apocalyptic number.

It is an amenable number.

45401311744 is an abundant number, since it is smaller than the sum of its proper divisors (45837173396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45401311744 is an equidigital number, since it uses as much as digits as its factorization.

45401311744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512760 (or 512744 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The spelling of 45401311744 in words is "forty-five billion, four hundred one million, three hundred eleven thousand, seven hundred forty-four".

Divisors: 1 2 4 8 16 32 64 128 173 256 346 512 692 1384 2768 5536 11072 22144 44288 88576 512569 1025138 2050276 4100552 8201104 16402208 32804416 65608832 88674437 131217664 177348874 262435328 354697748 709395496 1418790992 2837581984 5675163968 11350327936 22700655872 45401311744