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112311749 = 1110210159
BaseRepresentation
bin1101011000110…
…11110111000101
321211100000202102
412230123313011
5212222433444
615051121445
72532430334
oct654336705
9254300672
10112311749
1158440530
1231743285
131a364674
1410cb7d1b
159cd784e
hex6b1bdc5

112311749 has 4 divisors (see below), whose sum is σ = 122521920. Its totient is φ = 102101580.

The previous prime is 112311739. The next prime is 112311769. The reversal of 112311749 is 947113211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 947113211 = 1186101201.

It is a cyclic number.

It is not a de Polignac number, because 112311749 - 24 = 112311733 is a prime.

It is a super-2 number, since 2×1123117492 = 25227857926878002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112311739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5105069 + ... + 5105090.

It is an arithmetic number, because the mean of its divisors is an integer number (30630480).

Almost surely, 2112311749 is an apocalyptic number.

It is an amenable number.

112311749 is a deficient number, since it is larger than the sum of its proper divisors (10210171).

112311749 is a wasteful number, since it uses less digits than its factorization.

112311749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10210170.

The product of its digits is 1512, while the sum is 29.

The square root of 112311749 is about 10597.7237650356. The cubic root of 112311749 is about 482.4752762798.

The spelling of 112311749 in words is "one hundred twelve million, three hundred eleven thousand, seven hundred forty-nine".

Divisors: 1 11 10210159 112311749