Search a number
-
+
12104020134 = 233224148521
BaseRepresentation
bin10110100010111010…
…01011000010100110
31011020112211221011000
423101131023002212
5144242112121014
65321023054130
7605643321303
oct132135130246
934215757130
1012104020134
115151449528
122419741346
1311ab8850bb
1482b7780aa
154ac96b509
hex2d174b0a6

12104020134 has 16 divisors (see below), whose sum is σ = 26897822640. Its totient is φ = 4034673360.

The previous prime is 12104020133. The next prime is 12104020171. The reversal of 12104020134 is 43102040121.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12104020133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112074207 + ... + 112074314.

It is an arithmetic number, because the mean of its divisors is an integer number (1681113915).

Almost surely, 212104020134 is an apocalyptic number.

12104020134 is an abundant number, since it is smaller than the sum of its proper divisors (14793802506).

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

12104020134 is a wasteful number, since it uses less digits than its factorization.

12104020134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224148532 (or 224148526 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12104020134 its reverse (43102040121), we get a palindrome (55206060255).

The spelling of 12104020134 in words is "twelve billion, one hundred four million, twenty thousand, one hundred thirty-four".

Divisors: 1 2 3 6 9 18 27 54 224148521 448297042 672445563 1344891126 2017336689 4034673378 6052010067 12104020134