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2312220442 = 271491108447
BaseRepresentation
bin1000100111010001…
…1010111100011010
312222010211222011011
42021310122330122
514213412023232
61021234524134
7111204356320
oct21164327432
95863758134
102312220442
11a87208494
1254643664a
132ab06359c
1417d12dd10
15d7ed7547
hex89d1af1a

2312220442 has 16 divisors (see below), whose sum is σ = 3990412800. Its totient is φ = 984300048.

The previous prime is 2312220437. The next prime is 2312220497. The reversal of 2312220442 is 2440222132.

2312220442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 552138 + ... + 556309.

It is an arithmetic number, because the mean of its divisors is an integer number (249400800).

Almost surely, 22312220442 is an apocalyptic number.

2312220442 is a deficient number, since it is larger than the sum of its proper divisors (1678192358).

2312220442 is a wasteful number, since it uses less digits than its factorization.

2312220442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108605.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2312220442 is about 48085.5533606508. The cubic root of 2312220442 is about 1322.3398280152.

Adding to 2312220442 its reverse (2440222132), we get a palindrome (4752442574).

The spelling of 2312220442 in words is "two billion, three hundred twelve million, two hundred twenty thousand, four hundred forty-two".

Divisors: 1 2 7 14 149 298 1043 2086 1108447 2216894 7759129 15518258 165158603 330317206 1156110221 2312220442