Search a number
-
+
1213350135 = 35431881163
BaseRepresentation
bin100100001010010…
…0100000011110111
310010120010120110220
41020110210003313
54441104201020
6320222145423
742032206644
oct11024440367
93116116426
101213350135
115729a4a08
1229a422273
131644b9b7a
14b7206dcb
15717c6240
hex485240f7

1213350135 has 16 divisors (see below), whose sum is σ = 1986509184. Its totient is φ = 632070432.

The previous prime is 1213350133. The next prime is 1213350143. The reversal of 1213350135 is 5310533121.

It is not a de Polignac number, because 1213350135 - 21 = 1213350133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213350133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 939937 + ... + 941226.

It is an arithmetic number, because the mean of its divisors is an integer number (124156824).

Almost surely, 21213350135 is an apocalyptic number.

1213350135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1213350135 is a deficient number, since it is larger than the sum of its proper divisors (773159049).

1213350135 is a wasteful number, since it uses less digits than its factorization.

1213350135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1881214.

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 1213350135 is about 34833.1757811429. The cubic root of 1213350135 is about 1066.5847771878.

Adding to 1213350135 its reverse (5310533121), we get a palindrome (6523883256).

The spelling of 1213350135 in words is "one billion, two hundred thirteen million, three hundred fifty thousand, one hundred thirty-five".

Divisors: 1 3 5 15 43 129 215 645 1881163 5643489 9405815 28217445 80890009 242670027 404450045 1213350135