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2112220002 = 231812119427
BaseRepresentation
bin111110111100101…
…1110101101100010
312110012111220010110
41331321132231202
513311212020002
6545332112150
7103225400544
oct17571365542
95405456113
102112220002
11994325172
124ab465656
132787a9029
1416074b694
15c567ce6c
hex7de5eb62

2112220002 has 16 divisors (see below), whose sum is σ = 4224890592. Its totient is φ = 703998240.

The previous prime is 2112219917. The next prime is 2112220031. The reversal of 2112220002 is 2000222112.

It is a super-2 number, since 2×21122200022 = 8922946673697760008, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2112220002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99013 + ... + 118439.

It is an arithmetic number, because the mean of its divisors is an integer number (264055662).

Almost surely, 22112220002 is an apocalyptic number.

2112220002 is an abundant number, since it is smaller than the sum of its proper divisors (2112670590).

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

2112220002 is a wasteful number, since it uses less digits than its factorization.

2112220002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37553.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2112220002 is about 45958.8946995029. The cubic root of 2112220002 is about 1283.0582799445.

Adding to 2112220002 its reverse (2000222112), we get a palindrome (4112442114).

The spelling of 2112220002 in words is "two billion, one hundred twelve million, two hundred twenty thousand, two".

Divisors: 1 2 3 6 18121 19427 36242 38854 54363 58281 108726 116562 352036667 704073334 1056110001 2112220002