Search a number
-
+
12423421102 = 271838910429
BaseRepresentation
bin10111001000111111…
…00101110010101110
31012001210212011220111
423210133211302232
5200420343433402
65412433010234
7616602223411
oct134437456256
935053764814
1012423421102
1152a5774174
1224a86b397a
13122cab6761
1485bd5bb78
154caa0d9d7
hex2e47e5cae

12423421102 has 16 divisors (see below), whose sum is σ = 18901663200. Its totient is φ = 6122904480.

The previous prime is 12423421097. The next prime is 12423421121. The reversal of 12423421102 is 20112432421.

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, 1186024 + ... + 1196452.

It is an arithmetic number, because the mean of its divisors is an integer number (1181353950).

Almost surely, 212423421102 is an apocalyptic number.

12423421102 is a deficient number, since it is larger than the sum of its proper divisors (6478242098).

12423421102 is a wasteful number, since it uses less digits than its factorization.

12423421102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18891.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 12423421102 its reverse (20112432421), we get a palindrome (32535853523).

The spelling of 12423421102 in words is "twelve billion, four hundred twenty-three million, four hundred twenty-one thousand, one hundred two".

Divisors: 1 2 71 142 8389 10429 16778 20858 595619 740459 1191238 1480918 87488881 174977762 6211710551 12423421102