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250156013 is a prime number
BaseRepresentation
bin11101110100100…
…01001111101101
3122102201020112112
432322101033231
51003014443023
640453413405
76125201552
oct1672211755
9572636475
10250156013
1111922aa08
126b93a265
133ca98713
142531aa29
1516e65478
hexee913ed

250156013 has 2 divisors, whose sum is σ = 250156014. Its totient is φ = 250156012.

The previous prime is 250156009. The next prime is 250156031. The reversal of 250156013 is 310651052.

Together with next prime (250156031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 248314564 + 1841449 = 15758^2 + 1357^2 .

It is a cyclic number.

It is not a de Polignac number, because 250156013 - 22 = 250156009 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 250156013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (250156213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125078006 + 125078007.

It is an arithmetic number, because the mean of its divisors is an integer number (125078007).

Almost surely, 2250156013 is an apocalyptic number.

It is an amenable number.

250156013 is a deficient number, since it is larger than the sum of its proper divisors (1).

250156013 is an equidigital number, since it uses as much as digits as its factorization.

250156013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 250156013 is about 15816.3210956278. The cubic root of 250156013 is about 630.0915404062.

The spelling of 250156013 in words is "two hundred fifty million, one hundred fifty-six thousand, thirteen".