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13225621340 = 2255813113759
BaseRepresentation
bin11000101000100111…
…01111011101011100
31021010201100011202102
430110103233131130
5204041224340330
610024210544232
7645512632541
oct142423573534
937121304672
1013225621340
115677578078
122691298078
13132a059c59
148d66dabc8
1552616c945
hex3144ef75c

13225621340 has 24 divisors (see below), whose sum is σ = 27778826880. Its totient is φ = 5289291968.

The previous prime is 13225621333. The next prime is 13225621363. The reversal of 13225621340 is 4312652231.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59381 + ... + 173139.

It is an arithmetic number, because the mean of its divisors is an integer number (1157451120).

Almost surely, 213225621340 is an apocalyptic number.

13225621340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13225621340 is an abundant number, since it is smaller than the sum of its proper divisors (14553205540).

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

13225621340 is a wasteful number, since it uses less digits than its factorization.

13225621340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119581 (or 119579 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The spelling of 13225621340 in words is "thirteen billion, two hundred twenty-five million, six hundred twenty-one thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 5813 11626 23252 29065 58130 113759 116260 227518 455036 568795 1137590 2275180 661281067 1322562134 2645124268 3306405335 6612810670 13225621340