Base | Representation |
---|---|
bin | 111100101001010010… |
… | …0011110011000010101 |
3 | 110110011020211112112221 |
4 | 1321102210132120111 |
5 | 4113204440442323 |
6 | 135455005142341 |
7 | 12260220250225 |
oct | 1712244363025 |
9 | 413136745487 |
10 | 130234312213 |
11 | 50260968395 |
12 | 212a725a9b1 |
13 | c3865b3805 |
14 | 6436660085 |
15 | 35c36e955d |
hex | 1e5291e615 |
130234312213 has 2 divisors, whose sum is σ = 130234312214. Its totient is φ = 130234312212.
The previous prime is 130234312189. The next prime is 130234312261. The reversal of 130234312213 is 312213432031.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 100160856324 + 30073455889 = 316482^2 + 173417^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-130234312213 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (130234342213) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65117156106 + 65117156107.
It is an arithmetic number, because the mean of its divisors is an integer number (65117156107).
Almost surely, 2130234312213 is an apocalyptic number.
It is an amenable number.
130234312213 is a deficient number, since it is larger than the sum of its proper divisors (1).
130234312213 is an equidigital number, since it uses as much as digits as its factorization.
130234312213 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2592, while the sum is 25.
Adding to 130234312213 its reverse (312213432031), we get a palindrome (442447744244).
The spelling of 130234312213 in words is "one hundred thirty billion, two hundred thirty-four million, three hundred twelve thousand, two hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •