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3012220123 = 111721098693
BaseRepresentation
bin1011001110001010…
…1101010011011011
321202221000122012021
42303202231103123
522132112020443
61214522155311
7134434306603
oct26342552333
97687018167
103012220123
111306357620
12700952b37
133900a2793
142080a7c03
151296a99ed
hexb38ad4db

3012220123 has 24 divisors (see below), whose sum is σ = 3523156560. Its totient is φ = 2553361920.

The previous prime is 3012220117. The next prime is 3012220129. The reversal of 3012220123 is 3210222103.

It is an interprime number because it is at equal distance from previous prime (3012220117) and next prime (3012220129).

It is not a de Polignac number, because 3012220123 - 25 = 3012220091 is a prime.

It is a super-2 number, since 2×30122201232 = 18146940138812270258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3012220097 and 3012220106.

It is not an unprimeable number, because it can be changed into a prime (3012220129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 342165 + ... + 350857.

It is an arithmetic number, because the mean of its divisors is an integer number (146798190).

Almost surely, 23012220123 is an apocalyptic number.

3012220123 is a deficient number, since it is larger than the sum of its proper divisors (510936437).

3012220123 is a wasteful number, since it uses less digits than its factorization.

3012220123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8847 (or 8830 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 3012220123 is about 54883.6963314243. The cubic root of 3012220123 is about 1444.2051915077.

Adding to 3012220123 its reverse (3210222103), we get a palindrome (6222442226).

The spelling of 3012220123 in words is "three billion, twelve million, two hundred twenty thousand, one hundred twenty-three".

Divisors: 1 11 17 109 187 289 1199 1853 3179 8693 20383 31501 95623 147781 346511 947537 1625591 2512277 10422907 16108129 27635047 177189419 273838193 3012220123