Search a number
-
+
20123313110 = 2518231103857
BaseRepresentation
bin10010101111011100…
…010110001111010110
31220221102120020000222
4102233130112033112
5312203032004420
613124452234342
71311450224225
oct225734261726
956842506028
1020123313110
1185970a3a8a
123a9730b9b2
131b890c1884
14d8c824cbc
157cb9c8225
hex4af7163d6

20123313110 has 16 divisors (see below), whose sum is σ = 36241865856. Its totient is φ = 8044902528.

The previous prime is 20123313097. The next prime is 20123313113. The reversal of 20123313110 is 1131332102.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20123313113) 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, 533699 + ... + 570158.

It is an arithmetic number, because the mean of its divisors is an integer number (2265116616).

Almost surely, 220123313110 is an apocalyptic number.

20123313110 is a deficient number, since it is larger than the sum of its proper divisors (16118552746).

20123313110 is a wasteful number, since it uses less digits than its factorization.

20123313110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105687.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 20123313110 its reverse (1131332102), we get a palindrome (21254645212).

The spelling of 20123313110 in words is "twenty billion, one hundred twenty-three million, three hundred thirteen thousand, one hundred ten".

Divisors: 1 2 5 10 1823 3646 9115 18230 1103857 2207714 5519285 11038570 2012331311 4024662622 10061656555 20123313110