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19712293541 is a prime number
BaseRepresentation
bin10010010110111100…
…011011101010100101
31212212210011021011222
4102112330123222211
5310332321343131
613020010510125
71265326505363
oct222674335245
955783137158
1019712293541
1183a6091996
1239a1735345
131b21bc2625
14d4ddd2633
157a588987b
hex496f1baa5

19712293541 has 2 divisors, whose sum is σ = 19712293542. Its totient is φ = 19712293540.

The previous prime is 19712293529. The next prime is 19712293553. The reversal of 19712293541 is 14539221791.

It is a balanced prime because it is at equal distance from previous prime (19712293529) and next prime (19712293553).

It can be written as a sum of positive squares in only one way, i.e., 18618602500 + 1093691041 = 136450^2 + 33071^2 .

It is a cyclic number.

It is not a de Polignac number, because 19712293541 - 26 = 19712293477 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19712293492 and 19712293501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19712293501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9856146770 + 9856146771.

It is an arithmetic number, because the mean of its divisors is an integer number (9856146771).

Almost surely, 219712293541 is an apocalyptic number.

It is an amenable number.

19712293541 is a deficient number, since it is larger than the sum of its proper divisors (1).

19712293541 is an equidigital number, since it uses as much as digits as its factorization.

19712293541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 44.

The spelling of 19712293541 in words is "nineteen billion, seven hundred twelve million, two hundred ninety-three thousand, five hundred forty-one".