Search a number
-
+
1013655169 is a prime number
BaseRepresentation
bin111100011010110…
…010011010000001
32121122101000111001
4330122302122001
54033443431134
6244330052001
734055632612
oct7432623201
92548330431
101013655169
1148020014a
1224357a001
1313200b677
14988a3c09
155decc414
hex3c6b2681

1013655169 has 2 divisors, whose sum is σ = 1013655170. Its totient is φ = 1013655168.

The previous prime is 1013655163. The next prime is 1013655229. The reversal of 1013655169 is 9615563101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 683142769 + 330512400 = 26137^2 + 18180^2 .

It is an emirp because it is prime and its reverse (9615563101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1013655169 - 29 = 1013654657 is a prime.

It is a super-3 number, since 3×10136551693 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (1013655163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506827584 + 506827585.

It is an arithmetic number, because the mean of its divisors is an integer number (506827585).

Almost surely, 21013655169 is an apocalyptic number.

It is an amenable number.

1013655169 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013655169 is an equidigital number, since it uses as much as digits as its factorization.

1013655169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24300, while the sum is 37.

The square root of 1013655169 is about 31837.9517086134. The cubic root of 1013655169 is about 1004.5311605735.

The spelling of 1013655169 in words is "one billion, thirteen million, six hundred fifty-five thousand, one hundred sixty-nine".