Base | Representation |
---|---|
bin | 10010110111101101… |
… | …10010010101101101 |
3 | 222011001022022011222 |
4 | 21123312302111231 |
5 | 131222020220323 |
6 | 4353142553125 |
7 | 506025163553 |
oct | 113366622555 |
9 | 28131268158 |
10 | 10131023213 |
11 | 4329775763 |
12 | 1b68a387a5 |
13 | c55ba38bc |
14 | 6c170bbd3 |
15 | 3e463e9c8 |
hex | 25bdb256d |
10131023213 has 4 divisors (see below), whose sum is σ = 10366628448. Its totient is φ = 9895417980.
The previous prime is 10131023209. The next prime is 10131023257. The reversal of 10131023213 is 31232013101.
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 not a de Polignac number, because 10131023213 - 22 = 10131023209 is a prime.
It is a Duffinian number.
It is a zygodrome in base 8.
It is a junction number, because it is equal to n+sod(n) for n = 10131023191 and 10131023200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10131023713) 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, 117802553 + ... + 117802638.
It is an arithmetic number, because the mean of its divisors is an integer number (2591657112).
Almost surely, 210131023213 is an apocalyptic number.
It is an amenable number.
10131023213 is a deficient number, since it is larger than the sum of its proper divisors (235605235).
10131023213 is an equidigital number, since it uses as much as digits as its factorization.
10131023213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 235605234.
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 10131023213 its reverse (31232013101), we get a palindrome (41363036314).
The spelling of 10131023213 in words is "ten billion, one hundred thirty-one million, twenty-three thousand, two hundred thirteen".
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