Base | Representation |
---|---|
bin | 111101000000111111… |
… | …1110100111000001011 |
3 | 110112012201002020122022 |
4 | 1322001333310320023 |
5 | 4121322140331103 |
6 | 140105551515055 |
7 | 12316021502024 |
oct | 1720177647013 |
9 | 415181066568 |
10 | 131030011403 |
11 | 5062a030a25 |
12 | 21489828a8b |
13 | c4823bbc35 |
14 | 64b01c9c4b |
15 | 361d4c2138 |
hex | 1e81ff4e0b |
131030011403 has 4 divisors (see below), whose sum is σ = 131212251360. Its totient is φ = 130847771448.
The previous prime is 131030011379. The next prime is 131030011433. The reversal of 131030011403 is 304110030131.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-131030011403 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (131030011433) 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, 91118900 + ... + 91120337.
It is an arithmetic number, because the mean of its divisors is an integer number (32803062840).
Almost surely, 2131030011403 is an apocalyptic number.
131030011403 is a deficient number, since it is larger than the sum of its proper divisors (182239957).
131030011403 is an equidigital number, since it uses as much as digits as its factorization.
131030011403 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 182239956.
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 131030011403 its reverse (304110030131), we get a palindrome (435140041534).
The spelling of 131030011403 in words is "one hundred thirty-one billion, thirty million, eleven thousand, four hundred three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •