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13305791897688 = 2331134906265449
BaseRepresentation
bin1100000110011111111011…
…1111111110000001011000
31202010000120111220102222210
43001213332333332001120
53221000230211211223
644144332454115120
72542211633011113
oct301477677760130
952100514812883
1013305791897688
11426aa557104a4
1215aa90294baa0
1375696671c904
1434000a48557a
151811aa573893
hexc19feffe058

13305791897688 has 32 divisors (see below), whose sum is σ = 33558855678000. Its totient is φ = 4396013841408.

The previous prime is 13305791897681. The next prime is 13305791897693. The reversal of 13305791897688 is 88679819750331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13305791897681) 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, 2453130013 + ... + 2453135436.

Almost surely, 213305791897688 is an apocalyptic number.

It is an amenable number.

13305791897688 is an abundant number, since it is smaller than the sum of its proper divisors (20253063780312).

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

13305791897688 is a wasteful number, since it uses less digits than its factorization.

13305791897688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4906265571 (or 4906265567 counting only the distinct ones).

The product of its (nonzero) digits is 548674560, while the sum is 75.

The spelling of 13305791897688 in words is "thirteen trillion, three hundred five billion, seven hundred ninety-one million, eight hundred ninety-seven thousand, six hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 24 113 226 339 452 678 904 1356 2712 4906265449 9812530898 14718796347 19625061796 29437592694 39250123592 58875185388 117750370776 554407995737 1108815991474 1663223987211 2217631982948 3326447974422 4435263965896 6652895948844 13305791897688