Base | Representation |
---|---|
bin | 111000000100001010… |
… | …1001010000110111000 |
3 | 102111202210200012200220 |
4 | 1300020111022012320 |
5 | 3433034101122230 |
6 | 131151021100040 |
7 | 11461411216563 |
oct | 1601025120670 |
9 | 374683605626 |
10 | 120398848440 |
11 | 47074013932 |
12 | 1b4013b7620 |
13 | b479a14770 |
14 | 5b822cb4da |
15 | 31e9edcd10 |
hex | 1c0854a1b8 |
120398848440 has 128 divisors (see below), whose sum is σ = 389312965440. Its totient is φ = 29611339776.
The previous prime is 120398848421. The next prime is 120398848457. The reversal of 120398848440 is 44848893021.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1828734 + ... + 1893426.
Almost surely, 2120398848440 is an apocalyptic number.
120398848440 is a gapful number since it is divisible by the number (10) 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 120398848440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194656482720).
120398848440 is an abundant number, since it is smaller than the sum of its proper divisors (268914117000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120398848440 is a wasteful number, since it uses less digits than its factorization.
120398848440 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65913 (or 65909 counting only the distinct ones).
The product of its (nonzero) digits is 1769472, while the sum is 51.
The spelling of 120398848440 in words is "one hundred twenty billion, three hundred ninety-eight million, eight hundred forty-eight thousand, four hundred forty".
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