Search a number
-
+
2331201201212 = 2213210176144867
BaseRepresentation
bin100001111011000110011…
…010110110010000111100
322020212020102100010101002
4201323012122312100330
5301143300001414322
64542534500105432
7330265224156542
oct41730632662074
98225212303332
102331201201212
11819725338394
12317976695278
1313baa6580200
1480b8b79dd92
154098e98bc92
hex21ec66b643c

2331201201212 has 72 divisors (see below), whose sum is σ = 4467257473392. Its totient is φ = 1063862592000.

The previous prime is 2331201201211. The next prime is 2331201201229. The reversal of 2331201201212 is 2121021021332.

2331201201212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2331201201211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51935603 + ... + 51980469.

It is an arithmetic number, because the mean of its divisors is an integer number (62045242686).

Almost surely, 22331201201212 is an apocalyptic number.

It is an amenable number.

2331201201212 is a deficient number, since it is larger than the sum of its proper divisors (2136056272180).

2331201201212 is a wasteful number, since it uses less digits than its factorization.

2331201201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45759 (or 45744 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2331201201212 its reverse (2121021021332), we get a palindrome (4452222222544).

It can be divided in two parts, 233120120 and 1212, that added together give a palindrome (233121332).

The spelling of 2331201201212 in words is "two trillion, three hundred thirty-one billion, two hundred one million, two hundred one thousand, two hundred twelve".

Divisors: 1 2 4 13 26 52 101 169 202 338 404 676 761 1313 1522 2626 3044 5252 9893 17069 19786 34138 39572 44867 68276 76861 89734 128609 153722 179468 257218 307444 514436 583271 999193 1166542 1998386 2333084 3996772 4531567 7582523 9063134 12989509 15165046 18126268 25979018 30330092 34143787 51958036 58910371 68287574 117820742 136575148 235641484 443869231 765834823 887738462 1531669646 1775476924 3063339292 3448522487 5770300003 6897044974 11540600006 13794089948 23081200012 44830792331 89661584662 179323169324 582800300303 1165600600606 2331201201212