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2312111330 = 251912499743
BaseRepresentation
bin1000100111010000…
…0000010011100010
312222010122102110222
42021310000103202
514213400030310
61021232323042
7111203423234
oct21164002342
95863572428
102312111330
11a87143511
125463a3482
132ab025a19
1417d102254
15d7eb5055
hex89d004e2

2312111330 has 32 divisors (see below), whose sum is σ = 4384800000. Its totient is φ = 875377152.

The previous prime is 2312111309. The next prime is 2312111341. The reversal of 2312111330 is 331112132.

It is a junction number, because it is equal to n+sod(n) for n = 2312111299 and 2312111308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232439 + ... + 242181.

It is an arithmetic number, because the mean of its divisors is an integer number (137025000).

Almost surely, 22312111330 is an apocalyptic number.

2312111330 is a deficient number, since it is larger than the sum of its proper divisors (2072688670).

2312111330 is a wasteful number, since it uses less digits than its factorization.

2312111330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11018.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 2312111330 is about 48084.4187861307. The cubic root of 2312111330 is about 1322.3190276033.

Adding to 2312111330 its reverse (331112132), we get a palindrome (2643223462).

The spelling of 2312111330 in words is "two billion, three hundred twelve million, one hundred eleven thousand, three hundred thirty".

Divisors: 1 2 5 10 19 38 95 190 1249 2498 6245 9743 12490 19486 23731 47462 48715 97430 118655 185117 237310 370234 925585 1851170 12169007 24338014 60845035 121690070 231211133 462422266 1156055665 2312111330