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3113112112 = 241122379319
BaseRepresentation
bin1011100110001110…
…0101001000110000
322000221212110222121
42321203211020300
522333424041422
61232524444024
7140101005415
oct27143451060
98027773877
103113112112
1113582a8230
1272a6a9614
133a7c69296
1421764c10c
151334888c7
hexb98e5230

3113112112 has 40 divisors (see below), whose sum is σ = 6609576960. Its totient is φ = 1408687680.

The previous prime is 3113112071. The next prime is 3113112127. The reversal of 3113112112 is 2112113113.

It is a happy number.

It is a super-2 number, since 2×31131121122 = 19382934043762201088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 412 + ... + 78907.

It is an arithmetic number, because the mean of its divisors is an integer number (165239424).

Almost surely, 23113112112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3113112112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3304788480).

3113112112 is an abundant number, since it is smaller than the sum of its proper divisors (3496464848).

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

3113112112 is a wasteful number, since it uses less digits than its factorization.

3113112112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79561 (or 79555 counting only the distinct ones).

The product of its digits is 36, while the sum is 16.

The square root of 3113112112 is about 55795.2696202823. The cubic root of 3113112112 is about 1460.1526255655.

Adding to 3113112112 its reverse (2112113113), we get a palindrome (5225225225).

The spelling of 3113112112 in words is "three billion, one hundred thirteen million, one hundred twelve thousand, one hundred twelve".

Divisors: 1 2 4 8 11 16 22 44 88 176 223 446 892 1784 2453 3568 4906 9812 19624 39248 79319 158638 317276 634552 872509 1269104 1745018 3490036 6980072 13960144 17688137 35376274 70752548 141505096 194569507 283010192 389139014 778278028 1556556056 3113112112