Base | Representation |
---|---|
bin | 10111111001110110111001… |
… | …101110001100110000110101 |
3 | 111210020102120021020122110122 |
4 | 113321312321232030300311 |
5 | 102234431322240300203 |
6 | 1011332310103301325 |
7 | 31100315640005510 |
oct | 2771667156146065 |
9 | 453212507218418 |
10 | 105131030400053 |
11 | 3055290199a659 |
12 | b95b12144a845 |
13 | 4687a76703cb8 |
14 | 1bd6524845d77 |
15 | c24a7553d538 |
hex | 5f9db9b8cc35 |
105131030400053 has 4 divisors (see below), whose sum is σ = 120149749028640. Its totient is φ = 90112311771468.
The previous prime is 105131030400043. The next prime is 105131030400103. The reversal of 105131030400053 is 350004030131501.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 105131030400053 - 214 = 105131030383669 is a prime.
It is a super-2 number, since 2×1051310304000532 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 105131030399995 and 105131030400031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (105131030400043) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7509359314283 + ... + 7509359314296.
It is an arithmetic number, because the mean of its divisors is an integer number (30037437257160).
Almost surely, 2105131030400053 is an apocalyptic number.
It is an amenable number.
105131030400053 is a deficient number, since it is larger than the sum of its proper divisors (15018718628587).
105131030400053 is an equidigital number, since it uses as much as digits as its factorization.
105131030400053 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15018718628586.
The product of its (nonzero) digits is 2700, while the sum is 26.
Adding to 105131030400053 its reverse (350004030131501), we get a palindrome (455135060531554).
The spelling of 105131030400053 in words is "one hundred five trillion, one hundred thirty-one billion, thirty million, four hundred thousand, fifty-three".
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