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13320152551 = 373591002797
BaseRepresentation
bin11000110011111000…
…10110010111100111
31021101022012212012101
430121330112113213
5204234424340201
610041425032531
7651041266666
oct143174262747
937338185171
1013320152551
115715973842
1226b8a85747
131343807494
149050a6ddd
1552e5e1d01
hex319f165e7

13320152551 has 8 divisors (see below), whose sum is σ = 13718276640. Its totient is φ = 12924034848.

The previous prime is 13320152537. The next prime is 13320152609. The reversal of 13320152551 is 15525102331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13320152551 - 25 = 13320152519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13320153551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 488116 + ... + 514681.

It is an arithmetic number, because the mean of its divisors is an integer number (1714784580).

Almost surely, 213320152551 is an apocalyptic number.

13320152551 is a deficient number, since it is larger than the sum of its proper divisors (398124089).

13320152551 is a wasteful number, since it uses less digits than its factorization.

13320152551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003193.

The product of its (nonzero) digits is 4500, while the sum is 28.

Adding to 13320152551 its reverse (15525102331), we get a palindrome (28845254882).

The spelling of 13320152551 in words is "thirteen billion, three hundred twenty million, one hundred fifty-two thousand, five hundred fifty-one".

Divisors: 1 37 359 13283 1002797 37103489 360004123 13320152551