Search a number
-
+
131204022243404 = 221119235636660553
BaseRepresentation
bin11101110101010001010001…
…001000111001000001001100
3122012112222111220021112102012
4131311101101020321001030
5114144121314143242104
61143014143513120352
736431114661002615
oct3565212110710114
9565488456245365
10131204022243404
113889534a090320
12128702756b90b8
13582964227bb76
14245844698ac0c
151027db744ed6e
hex77545123904c

131204022243404 has 48 divisors (see below), whose sum is σ = 263674814686080. Its totient is φ = 56496933440640.

The previous prime is 131204022243353. The next prime is 131204022243421. The reversal of 131204022243404 is 404342220402131.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16368392 + ... + 23028944.

It is an arithmetic number, because the mean of its divisors is an integer number (5493225305960).

Almost surely, 2131204022243404 is an apocalyptic number.

It is an amenable number.

131204022243404 is an abundant number, since it is smaller than the sum of its proper divisors (132470792442676).

131204022243404 is a wasteful number, since it uses less digits than its factorization.

131204022243404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6684150 (or 6684148 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 131204022243404 its reverse (404342220402131), we get a palindrome (535546242645535).

The spelling of 131204022243404 in words is "one hundred thirty-one trillion, two hundred four billion, twenty-two million, two hundred forty-three thousand, four hundred four".

Divisors: 1 2 4 11 19 22 38 44 76 209 418 836 23563 47126 94252 259193 447697 518386 895394 1036772 1790788 4924667 6660553 9849334 13321106 19698668 26642212 73266083 126550507 146532166 253101014 293064332 506202028 1392055577 2784111154 5568222308 156942610339 313885220678 627770441356 1726368713729 2981909596441 3452737427458 5963819192882 6905474854916 11927638385764 32801005560851 65602011121702 131204022243404