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10422021457 is a prime number
BaseRepresentation
bin10011011010011001…
…10110110101010001
3222220022212112201201
421231030312311101
5132321014141312
64442100031201
7516160502131
oct115514666521
928808775651
1010422021457
114468a60a81
12202a392501
13ca126c303
1470c21aac1
1540ee71557
hex26d336d51

10422021457 has 2 divisors, whose sum is σ = 10422021458. Its totient is φ = 10422021456.

The previous prime is 10422021437. The next prime is 10422021469. The reversal of 10422021457 is 75412022401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8678040336 + 1743981121 = 93156^2 + 41761^2 .

It is a cyclic number.

It is not a de Polignac number, because 10422021457 - 27 = 10422021329 is a prime.

It is not a weakly prime, because it can be changed into another prime (10422021437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5211010728 + 5211010729.

It is an arithmetic number, because the mean of its divisors is an integer number (5211010729).

Almost surely, 210422021457 is an apocalyptic number.

It is an amenable number.

10422021457 is a deficient number, since it is larger than the sum of its proper divisors (1).

10422021457 is an equidigital number, since it uses as much as digits as its factorization.

10422021457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4480, while the sum is 28.

Adding to 10422021457 its reverse (75412022401), we get a palindrome (85834043858).

The spelling of 10422021457 in words is "ten billion, four hundred twenty-two million, twenty-one thousand, four hundred fifty-seven".