Base | Representation |
---|---|
bin | 11101100011100101110010… |
… | …101001001100000110000000 |
3 | 122001020211121110221112020210 |
4 | 131203211302221030012000 |
5 | 114014220143301113004 |
6 | 1140244101101434120 |
7 | 36244255201354200 |
oct | 3543456251140600 |
9 | 561224543845223 |
10 | 129989108613504 |
11 | 38467087004368 |
12 | 126b491556b940 |
13 | 576bbc6cc8aaa |
14 | 24157138c2400 |
15 | 10064ad311089 |
hex | 763972a4c180 |
129989108613504 has 768 divisors, whose sum is σ = 422524181096640. Its totient is φ = 35271239270400.
The previous prime is 129989108613499. The next prime is 129989108613587. The reversal of 129989108613504 is 405316801989921.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4564690914 + ... + 4564719390.
Almost surely, 2129989108613504 is an apocalyptic number.
129989108613504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 129989108613504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211262090548320).
129989108613504 is an abundant number, since it is smaller than the sum of its proper divisors (292535072483136).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
129989108613504 is a wasteful number, since it uses less digits than its factorization.
129989108613504 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28707 (or 28688 counting only the distinct ones).
The product of its (nonzero) digits is 33592320, while the sum is 66.
The spelling of 129989108613504 in words is "one hundred twenty-nine trillion, nine hundred eighty-nine billion, one hundred eight million, six hundred thirteen thousand, five hundred four".
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