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8387931306941 is a prime number
BaseRepresentation
bin111101000001111011110…
…1010100111101110111101
31002200212201100120122100022
41322003313222213232331
52044411440403310231
625501210142141525
71524002520502214
oct172036752475675
932625640518308
108387931306941
11274433560593a
12b357792818a5
1348ac94a98cb4
1420dd99a6207b
15e82c906ec7b
hex7a0f7aa7bbd

8387931306941 has 2 divisors, whose sum is σ = 8387931306942. Its totient is φ = 8387931306940.

The previous prime is 8387931306919. The next prime is 8387931306959. The reversal of 8387931306941 is 1496031397838.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5575166270041 + 2812765036900 = 2361179^2 + 1677130^2 .

It is a cyclic number.

It is not a de Polignac number, because 8387931306941 - 234 = 8370751437757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8387931306901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4193965653470 + 4193965653471.

It is an arithmetic number, because the mean of its divisors is an integer number (4193965653471).

Almost surely, 28387931306941 is an apocalyptic number.

It is an amenable number.

8387931306941 is a deficient number, since it is larger than the sum of its proper divisors (1).

8387931306941 is an equidigital number, since it uses as much as digits as its factorization.

8387931306941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23514624, while the sum is 62.

The spelling of 8387931306941 in words is "eight trillion, three hundred eighty-seven billion, nine hundred thirty-one million, three hundred six thousand, nine hundred forty-one".