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130203010221 = 343401003407
BaseRepresentation
bin111100101000010110…
…1000100010010101101
3110110002001221020021220
41321100231010102231
54113123432311341
6135451530213553
712256360216614
oct1712055042255
9413061836256
10130203010221
1150245228779
12212988842b9
13c37cc7401b
14643243287b
1535c0ab4a66
hex1e50b444ad

130203010221 has 4 divisors (see below), whose sum is σ = 173604013632. Its totient is φ = 86802006812.

The previous prime is 130203010207. The next prime is 130203010229. The reversal of 130203010221 is 122010302031.

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 130203010221 - 225 = 130169455789 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 130203010221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130203010229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21700501701 + ... + 21700501706.

It is an arithmetic number, because the mean of its divisors is an integer number (43401003408).

Almost surely, 2130203010221 is an apocalyptic number.

It is an amenable number.

130203010221 is a deficient number, since it is larger than the sum of its proper divisors (43401003411).

130203010221 is an equidigital number, since it uses as much as digits as its factorization.

130203010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43401003410.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 130203010221 its reverse (122010302031), we get a palindrome (252213312252).

The spelling of 130203010221 in words is "one hundred thirty billion, two hundred three million, ten thousand, two hundred twenty-one".

Divisors: 1 3 43401003407 130203010221