Search a number
-
+
1860012013 is a prime number
BaseRepresentation
bin110111011011101…
…1000011111101101
311210121221101210211
41232313120133231
512302130341023
6504322302421
764043561356
oct15667303755
94717841724
101860012013
11874a23612
1243aab7a11
13238472632
14139058d2d
15ad45ea0d
hex6edd87ed

1860012013 has 2 divisors, whose sum is σ = 1860012014. Its totient is φ = 1860012012.

The previous prime is 1860011987. The next prime is 1860012029. The reversal of 1860012013 is 3102100681.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1775611044 + 84400969 = 42138^2 + 9187^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1860012013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1860012113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 930006006 + 930006007.

It is an arithmetic number, because the mean of its divisors is an integer number (930006007).

Almost surely, 21860012013 is an apocalyptic number.

It is an amenable number.

1860012013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1860012013 is an equidigital number, since it uses as much as digits as its factorization.

1860012013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 1860012013 is about 43127.8565778546. The cubic root of 1860012013 is about 1229.8115940740.

Adding to 1860012013 its reverse (3102100681), we get a palindrome (4962112694).

The spelling of 1860012013 in words is "one billion, eight hundred sixty million, twelve thousand, thirteen".