Base | Representation |
---|---|
bin | 110101110010100010… |
… | …0111010100110000100 |
3 | 102001011020222222001012 |
4 | 1223211010322212010 |
5 | 3343032134430430 |
6 | 125022104021352 |
7 | 11226335242643 |
oct | 1534504724604 |
9 | 361136888035 |
10 | 115512420740 |
11 | 44a96828432 |
12 | 1a478a61858 |
13 | ab7b56c222 |
14 | 583b35135a |
15 | 301101c695 |
hex | 1ae513a984 |
115512420740 has 24 divisors (see below), whose sum is σ = 244486136832. Its totient is φ = 45841148640.
The previous prime is 115512420719. The next prime is 115512420763. The reversal of 115512420740 is 47024215511.
It is a junction number, because it is equal to n+sod(n) for n = 115512420697 and 115512420706.
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 7 ways as a sum of consecutive naturals, for example, 22736126 + ... + 22741205.
It is an arithmetic number, because the mean of its divisors is an integer number (10186922368).
Almost surely, 2115512420740 is an apocalyptic number.
115512420740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
115512420740 is an abundant number, since it is smaller than the sum of its proper divisors (128973716092).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
115512420740 is a wasteful number, since it uses less digits than its factorization.
115512420740 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45477467 (or 45477465 counting only the distinct ones).
The product of its (nonzero) digits is 11200, while the sum is 32.
The spelling of 115512420740 in words is "one hundred fifteen billion, five hundred twelve million, four hundred twenty thousand, seven hundred forty".
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