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13444626260 = 22513151342451
BaseRepresentation
bin11001000010101110…
…01011011101010100
31021200222102210000202
430201113023131110
5210013311020020
610102033000032
7654112303052
oct144127133524
937628383022
1013444626260
11577a16077a
1227326b3018
131363539770
149178291d2
1553a4cce75
hex3215cb754

13444626260 has 48 divisors (see below), whose sum is σ = 30606989952. Its totient is φ = 4931280000.

The previous prime is 13444626203. The next prime is 13444626263. The reversal of 13444626260 is 6262644431.

13444626260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13444626263) 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 15 ways as a sum of consecutive naturals, for example, 131966 + ... + 210485.

It is an arithmetic number, because the mean of its divisors is an integer number (637645624).

Almost surely, 213444626260 is an apocalyptic number.

13444626260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13444626260 is an abundant number, since it is smaller than the sum of its proper divisors (17162363692).

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

13444626260 is a wasteful number, since it uses less digits than its factorization.

13444626260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342624 (or 342622 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 38.

The spelling of 13444626260 in words is "thirteen billion, four hundred forty-four million, six hundred twenty-six thousand, two hundred sixty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 151 260 302 604 755 1510 1963 3020 3926 7852 9815 19630 39260 342451 684902 1369804 1712255 3424510 4451863 6849020 8903726 17807452 22259315 44518630 51710101 89037260 103420202 206840404 258550505 517101010 672231313 1034202020 1344462626 2688925252 3361156565 6722313130 13444626260