Search a number
-
+
231211323112132 = 221121004834754131
BaseRepresentation
bin110100100100100100010100…
…110010000011101011000100
31010022122120211122110121210101
4310210210110302003223010
5220301131242204042012
62135425003202533444
766462316061412556
oct6444442462035304
91108576748417711
10231211323112132
1167742198259200
1221b22378367284
139c02198b4107c
14411498b2774d6
151bae50cb69d57
hexd24914c83ac4

231211323112132 has 36 divisors (see below), whose sum is σ = 444751920095728. Its totient is φ = 105094987945200.

The previous prime is 231211323112129. The next prime is 231211323112171.

231211323112132 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 231211323112132.

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 11 ways as a sum of consecutive naturals, for example, 46256707 + ... + 51010837.

Almost surely, 2231211323112132 is an apocalyptic number.

231211323112132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

231211323112132 is a deficient number, since it is larger than the sum of its proper divisors (213540596983596).

231211323112132 is a wasteful number, since it uses less digits than its factorization.

231211323112132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4854640 (or 4854627 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The spelling of 231211323112132 in words is "two hundred thirty-one trillion, two hundred eleven billion, three hundred twenty-three million, one hundred twelve thousand, one hundred thirty-two".

Divisors: 1 2 4 11 22 44 121 242 484 100483 200966 401932 1105313 2210626 4421252 4754131 9508262 12158443 19016524 24316886 48633772 52295441 104590882 209181764 575249851 1150499702 2300999404 477709345273 955418690546 1910837381092 5254802798003 10509605596006 21019211192012 57802830778033 115605661556066 231211323112132