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2123212002 = 231720920563
BaseRepresentation
bin111111010001101…
…1010010011100010
312110222012100022120
41332203122103202
513322020241002
6550403445110
7103421001312
oct17643322342
95428170276
102123212002
1199a55266a
124b3086796
1327ab57282
14161dad442
15c65eecbc
hex7e8da4e2

2123212002 has 16 divisors (see below), whose sum is σ = 4246877280. Its totient is φ = 707661792.

The previous prime is 2123211983. The next prime is 2123212009. The reversal of 2123212002 is 2002123212.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2123212009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92973 + ... + 113535.

It is an arithmetic number, because the mean of its divisors is an integer number (265429830).

Almost surely, 22123212002 is an apocalyptic number.

2123212002 is an abundant number, since it is smaller than the sum of its proper divisors (2123665278).

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

2123212002 is a wasteful number, since it uses less digits than its factorization.

2123212002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37777.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2123212002 is about 46078.3246440232. The cubic root of 2123212002 is about 1285.2801101219.

Adding to 2123212002 its reverse (2002123212), we get a palindrome (4125335214).

The spelling of 2123212002 in words is "two billion, one hundred twenty-three million, two hundred twelve thousand, two".

Divisors: 1 2 3 6 17209 20563 34418 41126 51627 61689 103254 123378 353868667 707737334 1061606001 2123212002