Search a number
-
+
20430100112 = 241276881257
BaseRepresentation
bin10011000001101110…
…101001011010010000
31221201210211121200112
4103001232221122100
5313320101200422
613215131540452
71322163662042
oct230156513220
957653747615
1020430100112
118734293664
123b61bba728
131c07827946
14dbb483a92
157e88c7ee2
hex4c1ba9690

20430100112 has 10 divisors (see below), whose sum is σ = 39583318998. Its totient is φ = 10215050048.

The previous prime is 20430100039. The next prime is 20430100139. The reversal of 20430100112 is 21100103402.

It can be written as a sum of positive squares in only one way, i.e., 20290293136 + 139806976 = 142444^2 + 11824^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 638440613 + ... + 638440644.

Almost surely, 220430100112 is an apocalyptic number.

It is an amenable number.

20430100112 is a deficient number, since it is larger than the sum of its proper divisors (19153218886).

20430100112 is a wasteful number, since it uses less digits than its factorization.

20430100112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276881265 (or 1276881259 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20430100112 its reverse (21100103402), we get a palindrome (41530203514).

The spelling of 20430100112 in words is "twenty billion, four hundred thirty million, one hundred thousand, one hundred twelve".

Divisors: 1 2 4 8 16 1276881257 2553762514 5107525028 10215050056 20430100112