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10857998519 is a prime number
BaseRepresentation
bin10100001110010111…
…11110100010110111
31001000201020110211022
422013023332202313
5134214121423034
64553232331355
7533033315234
oct120713764267
931021213738
1010857998519
114672069aa5
1221303a3b5b
1310406992c4
147500a878b
1543838eb2e
hex2872fe8b7

10857998519 has 2 divisors, whose sum is σ = 10857998520. Its totient is φ = 10857998518.

The previous prime is 10857998461. The next prime is 10857998521. The reversal of 10857998519 is 91589975801.

It is a strong prime.

It is an emirp because it is prime and its reverse (91589975801) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10857998519 is a prime.

It is a super-2 number, since 2×108579985192 (a number of 21 digits) contains 22 as substring.

Together with 10857998521, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10857998119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5428999259 + 5428999260.

It is an arithmetic number, because the mean of its divisors is an integer number (5428999260).

Almost surely, 210857998519 is an apocalyptic number.

10857998519 is a deficient number, since it is larger than the sum of its proper divisors (1).

10857998519 is an equidigital number, since it uses as much as digits as its factorization.

10857998519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8164800, while the sum is 62.

The spelling of 10857998519 in words is "ten billion, eight hundred fifty-seven million, nine hundred ninety-eight thousand, five hundred nineteen".