Base | Representation |
---|---|
bin | 111100101001001100… |
… | …0010011010110010110 |
3 | 110110011000211102110001 |
4 | 1321102120103112112 |
5 | 4113203131340202 |
6 | 135454412521514 |
7 | 12260151160252 |
oct | 1712230232626 |
9 | 413130742401 |
10 | 130231121302 |
11 | 5025a088a77 |
12 | 212a618029a |
13 | c385a372b9 |
14 | 643606d262 |
15 | 35c32b8d87 |
hex | 1e52613596 |
130231121302 has 4 divisors (see below), whose sum is σ = 195346681956. Its totient is φ = 65115560650.
The previous prime is 130231121291. The next prime is 130231121311. The reversal of 130231121302 is 203121132031.
It is a semiprime because it is the product of two primes.
It is a self number, because there is not a number n which added to its sum of digits gives 130231121302.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32557780324 + ... + 32557780327.
It is an arithmetic number, because the mean of its divisors is an integer number (48836670489).
Almost surely, 2130231121302 is an apocalyptic number.
130231121302 is a deficient number, since it is larger than the sum of its proper divisors (65115560654).
130231121302 is an equidigital number, since it uses as much as digits as its factorization.
130231121302 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65115560653.
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 130231121302 its reverse (203121132031), we get a palindrome (333352253333).
The spelling of 130231121302 in words is "one hundred thirty billion, two hundred thirty-one million, one hundred twenty-one thousand, three hundred two".
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