Search a number
-
+
6230551681 is a prime number
BaseRepresentation
bin1011100110101111…
…01010110010000001
3121002012212211010101
411303113222302001
5100230010123211
62510130202401
7310253546464
oct56327526201
917065784111
106230551681
112707a90772
12125a723401
13783a8c193
144316a52db
15266ec95c1
hex1735eac81

6230551681 has 2 divisors, whose sum is σ = 6230551682. Its totient is φ = 6230551680.

The previous prime is 6230551637. The next prime is 6230551727. The reversal of 6230551681 is 1861550326.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3645744400 + 2584807281 = 60380^2 + 50841^2 .

It is a cyclic number.

It is not a de Polignac number, because 6230551681 - 215 = 6230518913 is a prime.

It is a super-2 number, since 2×62305516812 = 77639548499223851522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6230551681.

It is not a weakly prime, because it can be changed into another prime (6230551601) 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, 3115275840 + 3115275841.

It is an arithmetic number, because the mean of its divisors is an integer number (3115275841).

Almost surely, 26230551681 is an apocalyptic number.

It is an amenable number.

6230551681 is a deficient number, since it is larger than the sum of its proper divisors (1).

6230551681 is an equidigital number, since it uses as much as digits as its factorization.

6230551681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 6230551681 is about 78933.8436983782. The cubic root of 6230551681 is about 1840.1031449150.

The spelling of 6230551681 in words is "six billion, two hundred thirty million, five hundred fifty-one thousand, six hundred eighty-one".