Search a number
-
+
2042013023 = 2837719779
BaseRepresentation
bin111100110110110…
…1010010101011111
312021022102000020222
41321231222111133
513140223404043
6534343231555
7101413552511
oct17155522537
95238360228
102042013023
11958732676
1248ba485bb
1326709723b
141552b3bb1
15be410d68
hex79b6a55f

2042013023 has 4 divisors (see below), whose sum is σ = 2042735640. Its totient is φ = 2041290408.

The previous prime is 2042012969. The next prime is 2042013053. The reversal of 2042013023 is 3203102402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2042013023 - 216 = 2041947487 is a prime.

It is a super-2 number, since 2×20420130232 = 8339634372203197058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2042012992 and 2042013010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042013053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357053 + ... + 362726.

It is an arithmetic number, because the mean of its divisors is an integer number (510683910).

Almost surely, 22042013023 is an apocalyptic number.

2042013023 is a deficient number, since it is larger than the sum of its proper divisors (722617).

2042013023 is an equidigital number, since it uses as much as digits as its factorization.

2042013023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722616.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2042013023 is about 45188.6382069653. The cubic root of 2042013023 is about 1268.6821684622.

Adding to 2042013023 its reverse (3203102402), we get a palindrome (5245115425).

The spelling of 2042013023 in words is "two billion, forty-two million, thirteen thousand, twenty-three".

Divisors: 1 2837 719779 2042013023