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9142471379 is a prime number
BaseRepresentation
bin10001000001110111…
…10000101011010011
3212121011011200000002
420200323300223103
5122210433041004
64111110520215
7442362503336
oct104073605323
925534150002
109142471379
113971761078
12193196606b
13b291444a2
1462a30061d
1538797061e
hex220ef0ad3

9142471379 has 2 divisors, whose sum is σ = 9142471380. Its totient is φ = 9142471378.

The previous prime is 9142471369. The next prime is 9142471427. The reversal of 9142471379 is 9731742419.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9142471379 - 212 = 9142467283 is a prime.

It is not a weakly prime, because it can be changed into another prime (9142471339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4571235689 + 4571235690.

It is an arithmetic number, because the mean of its divisors is an integer number (4571235690).

Almost surely, 29142471379 is an apocalyptic number.

9142471379 is a deficient number, since it is larger than the sum of its proper divisors (1).

9142471379 is an equidigital number, since it uses as much as digits as its factorization.

9142471379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 381024, while the sum is 47.

The square root of 9142471379 is about 95616.2715179796. The cubic root of 9142471379 is about 2091.0024249709.

The spelling of 9142471379 in words is "nine billion, one hundred forty-two million, four hundred seventy-one thousand, three hundred seventy-nine".