Base | Representation |
---|---|
bin | 1011111011101100010010… |
… | …1100000111111010000000 |
3 | 1201110021100102022222212002 |
4 | 2332323010230013322000 |
5 | 3204430011241214130 |
6 | 43523145435523132 |
7 | 2522620024061615 |
oct | 276730454077200 |
9 | 51407312288762 |
10 | 13120130023040 |
11 | 41a92413a2077 |
12 | 157a928bb94a8 |
13 | 7422b8a988a1 |
14 | 33503673650c |
15 | 17b440c72b45 |
hex | beec4b07e80 |
13120130023040 has 32 divisors (see below), whose sum is σ = 31365310837860. Its totient is φ = 5248052008960.
The previous prime is 13120130022997. The next prime is 13120130023057. The reversal of 13120130023040 is 4032003102131.
13120130023040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 12747356278336 + 372773744704 = 3570344^2 + 610552^2 .
It is a tau number, because it is divible by the number of its divisors (32).
It is a Harshad number since it is a multiple of its sum of digits (20).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10250100941 + ... + 10250102220.
Almost surely, 213120130023040 is an apocalyptic number.
13120130023040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13120130023040 is an abundant number, since it is smaller than the sum of its proper divisors (18245180814820).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13120130023040 is an equidigital number, since it uses as much as digits as its factorization.
13120130023040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20500203180 (or 20500203168 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 13120130023040 its reverse (4032003102131), we get a palindrome (17152133125171).
The spelling of 13120130023040 in words is "thirteen trillion, one hundred twenty billion, one hundred thirty million, twenty-three thousand, forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •