Search a number
-
+
212530110133 = 11231575350573
BaseRepresentation
bin1100010111101111001…
…0000001111010110101
3202022120120220020020111
43011323302001322311
511440230202011013
6241345053503021
721232460062225
oct3057362017265
9668516806214
10212530110133
1182151785420
1235233aa1a71
131707024bc23
14a402292085
1557dd50973d
hex317bc81eb5

212530110133 has 16 divisors (see below), whose sum is σ = 243472519296. Its totient is φ = 183631631040.

The previous prime is 212530110127. The next prime is 212530110137. The reversal of 212530110133 is 331011035212.

It is not a de Polignac number, because 212530110133 - 217 = 212529979061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212530110137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2635566 + ... + 2715007.

It is an arithmetic number, because the mean of its divisors is an integer number (15217032456).

Almost surely, 2212530110133 is an apocalyptic number.

212530110133 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

212530110133 is a deficient number, since it is larger than the sum of its proper divisors (30942409163).

212530110133 is a wasteful number, since it uses less digits than its factorization.

212530110133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5350764.

The product of its (nonzero) digits is 540, while the sum is 22.

Adding to 212530110133 its reverse (331011035212), we get a palindrome (543541145345).

The spelling of 212530110133 in words is "two hundred twelve billion, five hundred thirty million, one hundred ten thousand, one hundred thirty-three".

Divisors: 1 11 23 157 253 1727 3611 39721 5350573 58856303 123063179 840039961 1353694969 9240439571 19320919103 212530110133