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10115431093 is a prime number
BaseRepresentation
bin10010110101110110…
…10011101010110101
3222002221222010211001
421122323103222311
5131204022243333
64351424443301
7505445513515
oct113273235265
928087863731
1010115431093
114320996109
121b63779531
13c528a48b1
146bd60d845
153e30aeb7d
hex25aed3ab5

10115431093 has 2 divisors, whose sum is σ = 10115431094. Its totient is φ = 10115431092.

The previous prime is 10115431091. The next prime is 10115431121. The reversal of 10115431093 is 39013451101.

It is an a-pointer prime, because the next prime (10115431121) can be obtained adding 10115431093 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9281780964 + 833650129 = 96342^2 + 28873^2 .

It is a cyclic number.

It is not a de Polignac number, because 10115431093 - 21 = 10115431091 is a prime.

Together with 10115431091, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10115431091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5057715546 + 5057715547.

It is an arithmetic number, because the mean of its divisors is an integer number (5057715547).

Almost surely, 210115431093 is an apocalyptic number.

It is an amenable number.

10115431093 is a deficient number, since it is larger than the sum of its proper divisors (1).

10115431093 is an equidigital number, since it uses as much as digits as its factorization.

10115431093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 28.

Adding to 10115431093 its reverse (39013451101), we get a palindrome (49128882194).

The spelling of 10115431093 in words is "ten billion, one hundred fifteen million, four hundred thirty-one thousand, ninety-three".