Search a number
-
+
211131234210 = 235133171707767
BaseRepresentation
bin1100010010100001100…
…1101111011110100010
3202011222002122222020010
43010220121233132202
511424344043443320
6240554203025350
721153012610611
oct3045031573642
9664862588203
10211131234210
11815a4094216
1234b0350b256
1316ba94a4cb0
14a30c593878
15575a7d7ae0
hex312866f7a2

211131234210 has 64 divisors (see below), whose sum is σ = 547414785792. Its totient is φ = 51806789376.

The previous prime is 211131234191. The next prime is 211131234221. The reversal of 211131234210 is 12432131112.

211131234210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 730254 + ... + 977513.

It is an arithmetic number, because the mean of its divisors is an integer number (8553356028).

Almost surely, 2211131234210 is an apocalyptic number.

211131234210 is an abundant number, since it is smaller than the sum of its proper divisors (336283551582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211131234210 is a wasteful number, since it uses less digits than its factorization.

211131234210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708107.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 211131234210 its reverse (12432131112), we get a palindrome (223563365322).

The spelling of 211131234210 in words is "two hundred eleven billion, one hundred thirty-one million, two hundred thirty-four thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 317 390 634 951 1585 1902 3170 4121 4755 8242 9510 12363 20605 24726 41210 61815 123630 1707767 3415534 5123301 8538835 10246602 17077670 22200971 25616505 44401942 51233010 66602913 111004855 133205826 222009710 333014565 541362139 666029130 1082724278 1624086417 2706810695 3248172834 5413621390 7037707807 8120432085 14075415614 16240864170 21113123421 35188539035 42226246842 70377078070 105565617105 211131234210