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15214204139 is a prime number
BaseRepresentation
bin11100010101101011…
…00101010011101011
31110021022012122112012
432022311211103223
5222124314013024
610553405110135
71046010413201
oct161265452353
943238178465
1015214204139
1164a8026832
122b4725834b
131586037674
14a44863071
155e0a2750e
hex38ad654eb

15214204139 has 2 divisors, whose sum is σ = 15214204140. Its totient is φ = 15214204138.

The previous prime is 15214204133. The next prime is 15214204157. The reversal of 15214204139 is 93140241251.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15214204139 - 28 = 15214203883 is a prime.

It is not a weakly prime, because it can be changed into another prime (15214204133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7607102069 + 7607102070.

It is an arithmetic number, because the mean of its divisors is an integer number (7607102070).

Almost surely, 215214204139 is an apocalyptic number.

15214204139 is a deficient number, since it is larger than the sum of its proper divisors (1).

15214204139 is an equidigital number, since it uses as much as digits as its factorization.

15214204139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 15214204139 in words is "fifteen billion, two hundred fourteen million, two hundred four thousand, one hundred thirty-nine".