Search a number
-
+
2042212031 = 5993409369
BaseRepresentation
bin111100110111001…
…1010111010111111
312021022210010020122
41321232122322333
513140301241111
6534351405155
7101415341636
oct17156327277
95238703218
102042212031
11958859142
1248bb237bb
132671369b2
1415532651d
15be44ecdb
hex79b9aebf

2042212031 has 4 divisors (see below), whose sum is σ = 2045622000. Its totient is φ = 2038802064.

The previous prime is 2042212019. The next prime is 2042212063. The reversal of 2042212031 is 1302122402.

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 2042212031 - 26 = 2042211967 is a prime.

It is a super-2 number, since 2×20422120312 = 8341259959122289922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042212001) 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, 1704086 + ... + 1705283.

It is an arithmetic number, because the mean of its divisors is an integer number (511405500).

Almost surely, 22042212031 is an apocalyptic number.

2042212031 is a deficient number, since it is larger than the sum of its proper divisors (3409969).

2042212031 is an equidigital number, since it uses as much as digits as its factorization.

2042212031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3409968.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2042212031 is about 45190.8401227505. The cubic root of 2042212031 is about 1268.7233810135.

Adding to 2042212031 its reverse (1302122402), we get a palindrome (3344334433).

The spelling of 2042212031 in words is "two billion, forty-two million, two hundred twelve thousand, thirty-one".

Divisors: 1 599 3409369 2042212031