Search a number
-
+
211131433214 = 21331261949669
BaseRepresentation
bin1100010010100001101…
…0100000000011111110
3202011222010001002012122
43010220122200003332
511424344121330324
6240554211202542
721153014400032
oct3045032400376
9664863032178
10211131433214
11815a420a789
1234b035a6452
1316ba9544750
14a30c6061c2
15575a826a5e
hex31286a00fe

211131433214 has 16 divisors (see below), whose sum is σ = 352060356480. Its totient is φ = 94301880480.

The previous prime is 211131433189. The next prime is 211131433231. The reversal of 211131433214 is 412334131112.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130974029 + ... + 130975640.

It is an arithmetic number, because the mean of its divisors is an integer number (22003772280).

Almost surely, 2211131433214 is an apocalyptic number.

211131433214 is a deficient number, since it is larger than the sum of its proper divisors (140928923266).

211131433214 is a wasteful number, since it uses less digits than its factorization.

211131433214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261949715.

The product of its digits is 1728, while the sum is 26.

Adding to 211131433214 its reverse (412334131112), we get a palindrome (623465564326).

The spelling of 211131433214 in words is "two hundred eleven billion, one hundred thirty-one million, four hundred thirty-three thousand, two hundred fourteen".

Divisors: 1 2 13 26 31 62 403 806 261949669 523899338 3405345697 6810691394 8120439739 16240879478 105565716607 211131433214