Base | Representation |
---|---|
bin | 11111011000001010000100… |
… | …10000000001100100000000 |
3 | 100001022022102222200100000002 |
4 | 33230011002100001210000 |
5 | 33020443002320412300 |
6 | 402430015212415132 |
7 | 20351032255232360 |
oct | 1754050220014400 |
9 | 301268388610002 |
10 | 68999761107200 |
11 | 1aa926a8363570 |
12 | 78a47484774a8 |
13 | 2c6685a0b72a1 |
14 | 130786b7d49a0 |
15 | 7e9c972e15d5 |
hex | 3ec142401900 |
68999761107200 has 432 divisors, whose sum is σ = 213559334911104. Its totient is φ = 21442550169600.
The previous prime is 68999761107169. The next prime is 68999761107289. The reversal of 68999761107200 is 270116799986.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 165865862 + ... + 166281338.
Almost surely, 268999761107200 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 68999761107200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106779667455552).
68999761107200 is an abundant number, since it is smaller than the sum of its proper divisors (144559573803904).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68999761107200 is a wasteful number, since it uses less digits than its factorization.
68999761107200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 415858 (or 415839 counting only the distinct ones).
The product of its (nonzero) digits is 20575296, while the sum is 65.
The spelling of 68999761107200 in words is "sixty-eight trillion, nine hundred ninety-nine billion, seven hundred sixty-one million, one hundred seven thousand, two hundred".
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