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2013622157 is a prime number
BaseRepresentation
bin111100000000101…
…0110111110001101
312012022222121022102
41320001112332031
513110441402112
6531450524445
7100620335351
oct17001267615
95168877272
102013622157
11943701148
12482436725
13261236801
14151603461
15bbba3bc2
hex78056f8d

2013622157 has 2 divisors, whose sum is σ = 2013622158. Its totient is φ = 2013622156.

The previous prime is 2013622133. The next prime is 2013622181. The reversal of 2013622157 is 7512263102.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (2013622133) and next prime (2013622181).

It can be written as a sum of positive squares in only one way, i.e., 2002204516 + 11417641 = 44746^2 + 3379^2 .

It is a cyclic number.

It is not a de Polignac number, because 2013622157 - 210 = 2013621133 is a prime.

It is a super-2 number, since 2×20136221572 = 8109348382322665298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2013622187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006811078 + 1006811079.

It is an arithmetic number, because the mean of its divisors is an integer number (1006811079).

Almost surely, 22013622157 is an apocalyptic number.

It is an amenable number.

2013622157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2013622157 is an equidigital number, since it uses as much as digits as its factorization.

2013622157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 2013622157 is about 44873.4014422798. The cubic root of 2013622157 is about 1262.7750537790.

Adding to 2013622157 its reverse (7512263102), we get a palindrome (9525885259).

The spelling of 2013622157 in words is "two billion, thirteen million, six hundred twenty-two thousand, one hundred fifty-seven".