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13021333332 = 2237155015873
BaseRepresentation
bin11000010000010000…
…11100011101010100
31020121110221021021220
430020020130131110
5203131430131312
65552032210340
7640452335640
oct141010343524
936543837256
1013021333332
115582226507
1226349999b0
1312c6930c87
148b751dc20
15513267c8c
hex30821c754

13021333332 has 24 divisors (see below), whose sum is σ = 34723555776. Its totient is φ = 3720380928.

The previous prime is 13021333313. The next prime is 13021333333. The reversal of 13021333332 is 23333312031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13021333333) by changing a digit.

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, 77507853 + ... + 77508020.

It is an arithmetic number, because the mean of its divisors is an integer number (1446814824).

Almost surely, 213021333332 is an apocalyptic number.

13021333332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13021333332 is an abundant number, since it is smaller than the sum of its proper divisors (21702222444).

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

13021333332 is a wasteful number, since it uses less digits than its factorization.

13021333332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155015887 (or 155015885 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 24.

Adding to 13021333332 its reverse (23333312031), we get a palindrome (36354645363).

The spelling of 13021333332 in words is "thirteen billion, twenty-one million, three hundred thirty-three thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 155015873 310031746 465047619 620063492 930095238 1085111111 1860190476 2170222222 3255333333 4340444444 6510666666 13021333332