Search a number
-
+
51143083 is a prime number
BaseRepresentation
bin1100001100011…
…0000110101011
310120020100010021
43003012012223
5101043034313
65024101311
71160465125
oct303060653
9116210107
1051143083
1126961612
1215164837
13a7987a4
146b14215
15475378d
hex30c61ab

51143083 has 2 divisors, whose sum is σ = 51143084. Its totient is φ = 51143082.

The previous prime is 51143069. The next prime is 51143093. The reversal of 51143083 is 38034115.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51143083 - 213 = 51134891 is a prime.

It is a super-2 number, since 2×511430832 = 5231229877489778, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (51143033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25571541 + 25571542.

It is an arithmetic number, because the mean of its divisors is an integer number (25571542).

Almost surely, 251143083 is an apocalyptic number.

51143083 is a deficient number, since it is larger than the sum of its proper divisors (1).

51143083 is an equidigital number, since it uses as much as digits as its factorization.

51143083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 51143083 is about 7151.4392257783. The cubic root of 51143083 is about 371.1894591542.

Adding to 51143083 its reverse (38034115), we get a palindrome (89177198).

The spelling of 51143083 in words is "fifty-one million, one hundred forty-three thousand, eighty-three".