Search a number
-
+
20312130314 = 271450866451
BaseRepresentation
bin10010111010101100…
…101000001100001010
31221102120212010112202
4102322230220030022
5313044401132224
613155315240202
71316232154550
oct227254501412
957376763482
1020312130314
118683739163
123b2a5a9062
131bb9261b28
14da9935bd0
157dd373eae
hex4bab2830a

20312130314 has 8 divisors (see below), whose sum is σ = 34820794848. Its totient is φ = 8705198700.

The previous prime is 20312130259. The next prime is 20312130331. The reversal of 20312130314 is 41303121302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 725433212 + ... + 725433239.

It is an arithmetic number, because the mean of its divisors is an integer number (4352599356).

Almost surely, 220312130314 is an apocalyptic number.

20312130314 is a deficient number, since it is larger than the sum of its proper divisors (14508664534).

20312130314 is a wasteful number, since it uses less digits than its factorization.

20312130314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1450866460.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20312130314 its reverse (41303121302), we get a palindrome (61615251616).

The spelling of 20312130314 in words is "twenty billion, three hundred twelve million, one hundred thirty thousand, three hundred fourteen".

Divisors: 1 2 7 14 1450866451 2901732902 10156065157 20312130314