Search a number
-
+
20132303230 = 2513154863871
BaseRepresentation
bin10010101111111110…
…101001000101111110
31220222001110222011101
4102233332221011332
5312212332200410
613125413043314
71311616516414
oct225776510576
956861428141
1020132303230
1185a1184436
123a9a32653a
131b8ac1b880
14d8dac52b4
157cc6a1d3a
hex4affa917e

20132303230 has 16 divisors (see below), whose sum is σ = 39025695744. Its totient is φ = 7433465760.

The previous prime is 20132303209. The next prime is 20132303273. The reversal of 20132303230 is 3230323102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20132303198 and 20132303207.

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, 77431806 + ... + 77432065.

It is an arithmetic number, because the mean of its divisors is an integer number (2439105984).

Almost surely, 220132303230 is an apocalyptic number.

20132303230 is a deficient number, since it is larger than the sum of its proper divisors (18893392514).

20132303230 is a wasteful number, since it uses less digits than its factorization.

20132303230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154863891.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 20132303230 its reverse (3230323102), we get a palindrome (23362626332).

The spelling of 20132303230 in words is "twenty billion, one hundred thirty-two million, three hundred three thousand, two hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 154863871 309727742 774319355 1548638710 2013230323 4026460646 10066151615 20132303230