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2221412012 = 223122778919
BaseRepresentation
bin1000010001101000…
…0000111010101100
312201210222102101222
42010122000322230
514022140141022
61004232322512
7106022455601
oct20432007254
95653872358
102221412012
11a3aa247a6
1251bb43438
132952ba6a1
141710526a8
15d004b242
hex84680eac

2221412012 has 24 divisors (see below), whose sum is σ = 4030602240. Its totient is φ = 1070128080.

The previous prime is 2221411979. The next prime is 2221412033. The reversal of 2221412012 is 2102141222.

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, 11312 + ... + 67607.

It is an arithmetic number, because the mean of its divisors is an integer number (167941760).

Almost surely, 22221412012 is an apocalyptic number.

It is an amenable number.

2221412012 is a deficient number, since it is larger than the sum of its proper divisors (1809190228).

2221412012 is a wasteful number, since it uses less digits than its factorization.

2221412012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79181 (or 79179 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 2221412012 is about 47131.8577185326. The cubic root of 2221412012 is about 1304.7972678226.

Adding to 2221412012 its reverse (2102141222), we get a palindrome (4323553234).

The spelling of 2221412012 in words is "two billion, two hundred twenty-one million, four hundred twelve thousand, twelve".

Divisors: 1 2 4 31 62 124 227 454 908 7037 14074 28148 78919 157838 315676 2446489 4892978 9785956 17914613 35829226 71658452 555353003 1110706006 2221412012