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13089215862 = 2321966157901
BaseRepresentation
bin11000011000010110…
…11001010101110110
31020210012200001121200
430030023121111312
5203301314401422
610002455153330
7642235333122
oct141413312566
936705601550
1013089215862
115607580678
122653675846
131307a0aa58
148c2550582
155191c62ac
hex30c2d9576

13089215862 has 48 divisors (see below), whose sum is σ = 29898276720. Its totient is φ = 4127112000.

The previous prime is 13089215837. The next prime is 13089215891. The reversal of 13089215862 is 26851298031.

13089215862 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 197112 + ... + 255012.

It is an arithmetic number, because the mean of its divisors is an integer number (622880765).

Almost surely, 213089215862 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13089215862, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14949138360).

13089215862 is an abundant number, since it is smaller than the sum of its proper divisors (16809060858).

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

13089215862 is a wasteful number, since it uses less digits than its factorization.

13089215862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58589 (or 58586 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 13089215862 in words is "thirteen billion, eighty-nine million, two hundred fifteen thousand, eight hundred sixty-two".

Divisors: 1 2 3 6 9 18 19 38 57 114 171 342 661 1322 1983 3966 5949 11898 12559 25118 37677 57901 75354 113031 115802 173703 226062 347406 521109 1042218 1100119 2200238 3300357 6600714 9901071 19802142 38272561 76545122 114817683 229635366 344453049 688906098 727178659 1454357318 2181535977 4363071954 6544607931 13089215862