Base | Representation |
---|---|
bin | 10010110111101111… |
… | …11101011110111001 |
3 | 222011001212221101112 |
4 | 21123313331132321 |
5 | 131222110043001 |
6 | 4353153330105 |
7 | 506030615111 |
oct | 113367753671 |
9 | 28131787345 |
10 | 10131331001 |
11 | 4329965a30 |
12 | 1b68b66935 |
13 | c55c80a1c |
14 | 6c178c041 |
15 | 3e46a0cbb |
hex | 25bdfd7b9 |
10131331001 has 4 divisors (see below), whose sum is σ = 11052361104. Its totient is φ = 9210300900.
The previous prime is 10131330991. The next prime is 10131331027. The reversal of 10131331001 is 10013313101.
It is a happy number.
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 a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-10131331001 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (10131331201) 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, 460515035 + ... + 460515056.
It is an arithmetic number, because the mean of its divisors is an integer number (2763090276).
Almost surely, 210131331001 is an apocalyptic number.
10131331001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
10131331001 is a deficient number, since it is larger than the sum of its proper divisors (921030103).
10131331001 is an equidigital number, since it uses as much as digits as its factorization.
10131331001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 921030102.
The product of its (nonzero) digits is 27, while the sum is 14.
Adding to 10131331001 its reverse (10013313101), we get a palindrome (20144644102).
The spelling of 10131331001 in words is "ten billion, one hundred thirty-one million, three hundred thirty-one thousand, one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •