Search a number
-
+
52531051143 = 3371031459023
BaseRepresentation
bin110000111011000110…
…000011101010000111
312000120222102220001210
4300323012003222013
51330040422114033
640044334422503
73536524365414
oct607306035207
9160528386053
1052531051143
112030745525a
12a220661a33
134c5225171c
14278494510b
151576ba5d63
hexc3b183a87

52531051143 has 16 divisors (see below), whose sum is σ = 72004340736. Its totient is φ = 34041071520.

The previous prime is 52531051129. The next prime is 52531051159. The reversal of 52531051143 is 34115013525.

It is not a de Polignac number, because 52531051143 - 222 = 52526856839 is a prime.

It is a super-2 number, since 2×525310511432 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52531051143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52531051123) 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 in 15 ways as a sum of consecutive naturals, for example, 115071 + ... + 343952.

It is an arithmetic number, because the mean of its divisors is an integer number (4500271296).

Almost surely, 252531051143 is an apocalyptic number.

52531051143 is a deficient number, since it is larger than the sum of its proper divisors (19473289593).

52531051143 is a wasteful number, since it uses less digits than its factorization.

52531051143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460094.

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 52531051143 its reverse (34115013525), we get a palindrome (86646064668).

The spelling of 52531051143 in words is "fifty-two billion, five hundred thirty-one million, fifty-one thousand, one hundred forty-three".

Divisors: 1 3 37 111 1031 3093 38147 114441 459023 1377069 16983851 50951553 473252713 1419758139 17510350381 52531051143