Search a number
-
+
20026142344 = 2313192559061
BaseRepresentation
bin10010101001101001…
…101010111010001000
31220200122201102210201
4102221221222322020
5312003143023334
613111101421544
71306160254435
oct225151527210
956618642721
1020026142344
11854726516a
123a6a86a8b4
131b71c2ba90
14d7d96cb8c
157c31d1c14
hex4a9a6ae88

20026142344 has 16 divisors (see below), whose sum is σ = 40437403020. Its totient is φ = 9242834880.

The previous prime is 20026142333. The next prime is 20026142351. The reversal of 20026142344 is 44324162002.

It can be written as a sum of positive squares in 2 ways, for example, as 17466794244 + 2559348100 = 132162^2 + 50590^2 .

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, 96279427 + ... + 96279634.

Almost surely, 220026142344 is an apocalyptic number.

It is an amenable number.

20026142344 is an abundant number, since it is smaller than the sum of its proper divisors (20411260676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20026142344 is a wasteful number, since it uses less digits than its factorization.

20026142344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192559080 (or 192559076 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The spelling of 20026142344 in words is "twenty billion, twenty-six million, one hundred forty-two thousand, three hundred forty-four".

Divisors: 1 2 4 8 13 26 52 104 192559061 385118122 770236244 1540472488 2503267793 5006535586 10013071172 20026142344