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2002220045 = 5757206287
BaseRepresentation
bin111011101010111…
…0111010000001101
312011112112022112222
41313111313100031
513100032020140
6530402305125
7100421406140
oct16725672015
95145468488
102002220045
11938223611
1247a6581a5
1325ba739b7
1414dcb6057
15baba05b5
hex7757740d

2002220045 has 8 divisors (see below), whose sum is σ = 2745901824. Its totient is φ = 1372950864.

The previous prime is 2002220041. The next prime is 2002220063. The reversal of 2002220045 is 5400222002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2002220045 - 22 = 2002220041 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002220041) 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, 28603109 + ... + 28603178.

It is an arithmetic number, because the mean of its divisors is an integer number (343237728).

Almost surely, 22002220045 is an apocalyptic number.

It is an amenable number.

2002220045 is a deficient number, since it is larger than the sum of its proper divisors (743681779).

2002220045 is an equidigital number, since it uses as much as digits as its factorization.

2002220045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57206299.

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 2002220045 is about 44746.1735235539. The cubic root of 2002220045 is about 1260.3870577489.

Adding to 2002220045 its reverse (5400222002), we get a palindrome (7402442047).

The spelling of 2002220045 in words is "two billion, two million, two hundred twenty thousand, forty-five".

Divisors: 1 5 7 35 57206287 286031435 400444009 2002220045