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213014917 is a prime number
BaseRepresentation
bin11001011001001…
…01100110000101
3112211211021112101
430230211212011
5414012434132
633045352101
75164411513
oct1454454605
9484737471
10213014917
11aa272295
125b408631
133519323b
142040d4b3
1513a7a7e7
hexcb25985

213014917 has 2 divisors, whose sum is σ = 213014918. Its totient is φ = 213014916.

The previous prime is 213014911. The next prime is 213014927. The reversal of 213014917 is 719410312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 177182721 + 35832196 = 13311^2 + 5986^2 .

It is a cyclic number.

It is not a de Polignac number, because 213014917 - 215 = 212982149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213014911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106507458 + 106507459.

It is an arithmetic number, because the mean of its divisors is an integer number (106507459).

Almost surely, 2213014917 is an apocalyptic number.

It is an amenable number.

213014917 is a deficient number, since it is larger than the sum of its proper divisors (1).

213014917 is an equidigital number, since it uses as much as digits as its factorization.

213014917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 213014917 is about 14595.0305583784. The cubic root of 213014917 is about 597.2232030822.

The spelling of 213014917 in words is "two hundred thirteen million, fourteen thousand, nine hundred seventeen".