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90751000429 is a prime number
BaseRepresentation
bin101010010000100101…
…1100101111101101101
322200020121000111001001
41110201023211331231
52441324224003204
6105405044520301
76361615530115
oct1244113457555
9280217014031
1090751000429
113553a634901
12157083b0091
1387335aa22b
14456c950045
1525622754a4
hex15212e5f6d

90751000429 has 2 divisors, whose sum is σ = 90751000430. Its totient is φ = 90751000428.

The previous prime is 90751000427. The next prime is 90751000463. The reversal of 90751000429 is 92400015709.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90722644804 + 28355625 = 301202^2 + 5325^2 .

It is an emirp because it is prime and its reverse (92400015709) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90751000429 - 21 = 90751000427 is a prime.

Together with 90751000427, 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 (90751000427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45375500214 + 45375500215.

It is an arithmetic number, because the mean of its divisors is an integer number (45375500215).

Almost surely, 290751000429 is an apocalyptic number.

It is an amenable number.

90751000429 is a deficient number, since it is larger than the sum of its proper divisors (1).

90751000429 is an equidigital number, since it uses as much as digits as its factorization.

90751000429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 37.

The spelling of 90751000429 in words is "ninety billion, seven hundred fifty-one million, four hundred twenty-nine", and thus it is an aban number.