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13244402044 = 2237415921517
BaseRepresentation
bin11000101010110110…
…11000100101111100
31021012000200100001001
430111123120211330
5204111031331134
610030121300044
7646131363016
oct142533304574
937160610031
1013244402044
115687135315
122697634624
131330c043b3
148d8dc91b6
15527b2c414
hex3156d897c

13244402044 has 24 divisors (see below), whose sum is σ = 23810958080. Its totient is φ = 6441374016.

The previous prime is 13244402033. The next prime is 13244402111. The reversal of 13244402044 is 44020444231.

It is a super-2 number, since 2×132444020442 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 604774 + ... + 626290.

Almost surely, 213244402044 is an apocalyptic number.

It is an amenable number.

13244402044 is a deficient number, since it is larger than the sum of its proper divisors (10566556036).

13244402044 is a wasteful number, since it uses less digits than its factorization.

13244402044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25717 (or 25715 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 13244402044 its reverse (44020444231), we get a palindrome (57264846275).

The spelling of 13244402044 in words is "thirteen billion, two hundred forty-four million, four hundred two thousand, forty-four".

Divisors: 1 2 4 37 74 148 4159 8318 16636 21517 43034 86068 153883 307766 615532 796129 1592258 3184516 89489203 178978406 357956812 3311100511 6622201022 13244402044