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130002013213 = 479332712161
BaseRepresentation
bin111100100010010111…
…0010100110000011101
3110102120001201112020021
41321010232110300131
54112221003410323
6135415550152141
712251366610532
oct1710456246035
9412501645207
10130002013213
1150151824746
12212414b2651
13c34a42ac97
146413870d89
1535ad11005d
hex1e44b94c1d

130002013213 has 4 divisors (see below), whose sum is σ = 130004773308. Its totient is φ = 129999253120.

The previous prime is 130002013201. The next prime is 130002013243. The reversal of 130002013213 is 312310200031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20217142969 + 109784870244 = 142187^2 + 331338^2 .

It is a cyclic number.

It is not a de Polignac number, because 130002013213 - 25 = 130002013181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130002013243) 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, 1308148 + ... + 1404013.

It is an arithmetic number, because the mean of its divisors is an integer number (32501193327).

Almost surely, 2130002013213 is an apocalyptic number.

It is an amenable number.

130002013213 is a deficient number, since it is larger than the sum of its proper divisors (2760095).

130002013213 is an equidigital number, since it uses as much as digits as its factorization.

130002013213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2760094.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 130002013213 its reverse (312310200031), we get a palindrome (442312213244).

The spelling of 130002013213 in words is "one hundred thirty billion, two million, thirteen thousand, two hundred thirteen".

Divisors: 1 47933 2712161 130002013213