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130231121302 = 265115560651
BaseRepresentation
bin111100101001001100…
…0010011010110010110
3110110011000211102110001
41321102120103112112
54113203131340202
6135454412521514
712260151160252
oct1712230232626
9413130742401
10130231121302
115025a088a77
12212a618029a
13c385a372b9
14643606d262
1535c32b8d87
hex1e52613596

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".

Divisors: 1 2 65115560651 130231121302