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10121422979 is a prime number
BaseRepresentation
bin10010110110100100…
…01010100010000011
3222010101020120010202
421123102022202003
5131212041013404
64352201115415
7505550450543
oct113322124203
928111216122
1010121422979
114324308988
121b65788b6b
13c53bc1ca5
146c032d323
153e389521e
hex25b48a883

10121422979 has 2 divisors, whose sum is σ = 10121422980. Its totient is φ = 10121422978.

The previous prime is 10121422973. The next prime is 10121423003. The reversal of 10121422979 is 97922412101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10121422979 - 216 = 10121357443 is a prime.

It is not a weakly prime, because it can be changed into another prime (10121422973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060711489 + 5060711490.

It is an arithmetic number, because the mean of its divisors is an integer number (5060711490).

Almost surely, 210121422979 is an apocalyptic number.

10121422979 is a deficient number, since it is larger than the sum of its proper divisors (1).

10121422979 is an equidigital number, since it uses as much as digits as its factorization.

10121422979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 38.

The spelling of 10121422979 in words is "ten billion, one hundred twenty-one million, four hundred twenty-two thousand, nine hundred seventy-nine".