Base | Representation |
---|---|
bin | 10010110100101010… |
… | …11110110110001001 |
3 | 222002021022101001012 |
4 | 21122111132312021 |
5 | 131144002443101 |
6 | 4350432133305 |
7 | 505265315012 |
oct | 113225366611 |
9 | 28067271035 |
10 | 10105515401 |
11 | 4316333323 |
12 | 1b60397235 |
13 | c50812517 |
14 | 6bc18c009 |
15 | 3e22a1bbb |
hex | 25a55ed89 |
10105515401 has 4 divisors (see below), whose sum is σ = 10167512592. Its totient is φ = 10043518212.
The previous prime is 10105515397. The next prime is 10105515461. The reversal of 10105515401 is 10451550101.
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, and also an emirpimes, since its reverse is a distinct semiprime: 10451550101 = 71 ⋅147204931.
It is a cyclic number.
It is not a de Polignac number, because 10105515401 - 22 = 10105515397 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (10105515461) 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, 30998351 + ... + 30998676.
It is an arithmetic number, because the mean of its divisors is an integer number (2541878148).
Almost surely, 210105515401 is an apocalyptic number.
It is an amenable number.
10105515401 is a deficient number, since it is larger than the sum of its proper divisors (61997191).
10105515401 is an equidigital number, since it uses as much as digits as its factorization.
10105515401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61997190.
The product of its (nonzero) digits is 500, while the sum is 23.
The spelling of 10105515401 in words is "ten billion, one hundred five million, five hundred fifteen thousand, four hundred one".
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