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130320133142021 = 473334727532343
BaseRepresentation
bin11101101000011010000101…
…001111100011011000000101
3122002102111001010222220021122
4131220122011033203120011
5114040131113041021041
61141100124230123325
736310214246416154
oct3550320517433005
9562374033886248
10130320133142021
11385845047a1079
1212748ab8ab0545
13579419c537384
14242775716359b
15100edd4522c4b
hex7686853e3605

130320133142021 has 4 divisors (see below), whose sum is σ = 130320165407712. Its totient is φ = 130320100876332.

The previous prime is 130320133141981. The next prime is 130320133142039. The reversal of 130320133142021 is 120241331023031.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2k-130320133142021 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 (130320133142051) 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, 9032825 + ... + 18499518.

It is an arithmetic number, because the mean of its divisors is an integer number (32580041351928).

Almost surely, 2130320133142021 is an apocalyptic number.

It is an amenable number.

130320133142021 is a deficient number, since it is larger than the sum of its proper divisors (32265691).

130320133142021 is an equidigital number, since it uses as much as digits as its factorization.

130320133142021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32265690.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 130320133142021 its reverse (120241331023031), we get a palindrome (250561464165052).

The spelling of 130320133142021 in words is "one hundred thirty trillion, three hundred twenty billion, one hundred thirty-three million, one hundred forty-two thousand, twenty-one".

Divisors: 1 4733347 27532343 130320133142021