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130320133141981 is a prime number
BaseRepresentation
bin11101101000011010000101…
…001111100011010111011101
3122002102111001010222220020011
4131220122011033203113131
5114040131113041020411
61141100124230123221
736310214246416066
oct3550320517432735
9562374033886204
10130320133141981
11385845047a1042
1212748ab8ab0511
13579419c537353
14242775716356d
15100edd4522c21
hex7686853e35dd

130320133141981 has 2 divisors, whose sum is σ = 130320133141982. Its totient is φ = 130320133141980.

The previous prime is 130320133141883. The next prime is 130320133142039. The reversal of 130320133141981 is 189141331023031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109639558333881 + 20680574808100 = 10470891^2 + 4547590^2 .

It is a cyclic number.

It is not a de Polignac number, because 130320133141981 - 213 = 130320133133789 is a prime.

It is a super-2 number, since 2×1303201331419812 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130320133141181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65160066570990 + 65160066570991.

It is an arithmetic number, because the mean of its divisors is an integer number (65160066570991).

Almost surely, 2130320133141981 is an apocalyptic number.

It is an amenable number.

130320133141981 is a deficient number, since it is larger than the sum of its proper divisors (1).

130320133141981 is an equidigital number, since it uses as much as digits as its factorization.

130320133141981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 40.

The spelling of 130320133141981 in words is "one hundred thirty trillion, three hundred twenty billion, one hundred thirty-three million, one hundred forty-one thousand, nine hundred eighty-one".