Base | Representation |
---|---|
bin | 11010001100110101100011… |
… | …001111001011111111000100 |
3 | 120010000000020101102001221010 |
4 | 122030311203033023333010 |
5 | 110100422242140310040 |
6 | 1045024314205122220 |
7 | 33162122042256162 |
oct | 3214654317137704 |
9 | 503000211361833 |
10 | 115231342510020 |
11 | 337973798545a0 |
12 | 10b10733559370 |
13 | 4c3b365c19ab9 |
14 | 206532623c232 |
15 | d4c671cbce80 |
hex | 68cd633cbfc4 |
115231342510020 has 96 divisors (see below), whose sum is σ = 351982987574400. Its totient is φ = 27934584079360.
The previous prime is 115231342510007. The next prime is 115231342510027. The reversal of 115231342510020 is 20015243132511.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a self number, because there is not a number n which added to its sum of digits gives 115231342510020.
It is not an unprimeable number, because it can be changed into a prime (115231342510027) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67365664 + ... + 69055016.
It is an arithmetic number, because the mean of its divisors is an integer number (3666489453900).
Almost surely, 2115231342510020 is an apocalyptic number.
115231342510020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
115231342510020 is an abundant number, since it is smaller than the sum of its proper divisors (236751645064380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
115231342510020 is a wasteful number, since it uses less digits than its factorization.
115231342510020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1792725 (or 1792723 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 30.
Adding to 115231342510020 its reverse (20015243132511), we get a palindrome (135246585642531).
The spelling of 115231342510020 in words is "one hundred fifteen trillion, two hundred thirty-one billion, three hundred forty-two million, five hundred ten thousand, twenty".
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