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5170157231 is a prime number
BaseRepresentation
bin1001101000010101…
…00101011010101111
3111100022120012101212
410310022211122233
541042030012411
62213010225035
7242056416461
oct46412453257
914308505355
105170157231
112213467718
12100358517b
13645197645
14370916131
15203d6868b
hex1342a56af

5170157231 has 2 divisors, whose sum is σ = 5170157232. Its totient is φ = 5170157230.

The previous prime is 5170157137. The next prime is 5170157257. The reversal of 5170157231 is 1327510715.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5170157231 is a prime.

It is a super-2 number, since 2×51701572312 = 53461051586523174722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5170156231) 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, 2585078615 + 2585078616.

It is an arithmetic number, because the mean of its divisors is an integer number (2585078616).

Almost surely, 25170157231 is an apocalyptic number.

5170157231 is a deficient number, since it is larger than the sum of its proper divisors (1).

5170157231 is an equidigital number, since it uses as much as digits as its factorization.

5170157231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7350, while the sum is 32.

The square root of 5170157231 is about 71903.8053999926. The cubic root of 5170157231 is about 1729.1576229051.

Adding to 5170157231 its reverse (1327510715), we get a palindrome (6497667946).

The spelling of 5170157231 in words is "five billion, one hundred seventy million, one hundred fifty-seven thousand, two hundred thirty-one".