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2042220006 = 23337818889
BaseRepresentation
bin111100110111001…
…1100110111100110
312021022210112012000
41321232130313212
513140302020011
6534351510130
7101415404121
oct17156346746
95238715160
102042220006
11958864132
1248bb28346
1326713a508
141553293b8
15be452356
hex79b9cde6

2042220006 has 16 divisors (see below), whose sum is σ = 4538266800. Its totient is φ = 680739984.

The previous prime is 2042220001. The next prime is 2042220017. The reversal of 2042220006 is 6000222402.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042220001) 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, 18909391 + ... + 18909498.

It is an arithmetic number, because the mean of its divisors is an integer number (283641675).

Almost surely, 22042220006 is an apocalyptic number.

2042220006 is an abundant number, since it is smaller than the sum of its proper divisors (2496046794).

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

2042220006 is a wasteful number, since it uses less digits than its factorization.

2042220006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37818900 (or 37818894 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2042220006 is about 45190.9283595723. The cubic root of 2042220006 is about 1268.7250324998.

Adding to 2042220006 its reverse (6000222402), we get a palindrome (8042442408).

The spelling of 2042220006 in words is "two billion, forty-two million, two hundred twenty thousand, six".

Divisors: 1 2 3 6 9 18 27 54 37818889 75637778 113456667 226913334 340370001 680740002 1021110003 2042220006