Search a number
-
+
20110424313 = 37957639253
BaseRepresentation
bin10010101110101011…
…001011100011111001
31220220112022101221010
4102232223023203321
5312141232034223
613123312104133
71311232533450
oct225653134371
956815271833
1020110424313
11858a8a0491
123a92b35049
131b8652b175
14d8ac2bb97
157ca7ce393
hex4aeacb8f9

20110424313 has 8 divisors (see below), whose sum is σ = 30644456128. Its totient is φ = 11491671024.

The previous prime is 20110424311. The next prime is 20110424351. The reversal of 20110424313 is 31342401102.

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

It is not a de Polignac number, because 20110424313 - 21 = 20110424311 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 957639253 = 20110424313 / (2 + 0 + 1 + 1 + 0 + 4 + 2 + 4 + 3 + 1 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20110424313.

It is not an unprimeable number, because it can be changed into a prime (20110424311) 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, 478819606 + ... + 478819647.

It is an arithmetic number, because the mean of its divisors is an integer number (3830557016).

Almost surely, 220110424313 is an apocalyptic number.

It is an amenable number.

20110424313 is a deficient number, since it is larger than the sum of its proper divisors (10534031815).

20110424313 is an equidigital number, since it uses as much as digits as its factorization.

20110424313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957639263.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20110424313 its reverse (31342401102), we get a palindrome (51452825415).

The spelling of 20110424313 in words is "twenty billion, one hundred ten million, four hundred twenty-four thousand, three hundred thirteen".

Divisors: 1 3 7 21 957639253 2872917759 6703474771 20110424313