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10157522231 is a prime number
BaseRepresentation
bin10010111010110111…
…10111110100110111
3222012220011121000002
421131123313310313
5131300311202411
64355530541515
7506466341303
oct113533676467
928186147002
1010157522231
11434272487a
121b7589789b
13c5b5211ac
146c5048d03
153e6b2633b
hex25d6f7d37

10157522231 has 2 divisors, whose sum is σ = 10157522232. Its totient is φ = 10157522230.

The previous prime is 10157522213. The next prime is 10157522233. The reversal of 10157522231 is 13222575101.

Together with previous prime (10157522213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10157522231 is a prime.

It is a super-2 number, since 2×101575222312 (a number of 21 digits) contains 22 as substring.

Together with 10157522233, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 10157522194 and 10157522203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10157522233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5078761115 + 5078761116.

It is an arithmetic number, because the mean of its divisors is an integer number (5078761116).

Almost surely, 210157522231 is an apocalyptic number.

10157522231 is a deficient number, since it is larger than the sum of its proper divisors (1).

10157522231 is an equidigital number, since it uses as much as digits as its factorization.

10157522231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 29.

The spelling of 10157522231 in words is "ten billion, one hundred fifty-seven million, five hundred twenty-two thousand, two hundred thirty-one".