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112381311 = 376779873
BaseRepresentation
bin1101011001011…
…00110101111111
321211110120011210
412230230311333
5212232200221
615052415503
72533140210
oct654546577
9254416153
10112381311
1158488819
1231777593
131a38a223
1410cd5407
159ced276
hex6b2cd7f

112381311 has 16 divisors (see below), whose sum is σ = 173805824. Its totient is φ = 63258624.

The previous prime is 112381309. The next prime is 112381331. The reversal of 112381311 is 113183211.

It is a happy number.

It is not a de Polignac number, because 112381311 - 21 = 112381309 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112381331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38530 + ... + 41343.

It is an arithmetic number, because the mean of its divisors is an integer number (10862864).

Almost surely, 2112381311 is an apocalyptic number.

112381311 is a deficient number, since it is larger than the sum of its proper divisors (61424513).

112381311 is an equidigital number, since it uses as much as digits as its factorization.

112381311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79950.

The product of its digits is 144, while the sum is 21.

The square root of 112381311 is about 10601.0051881885. The cubic root of 112381311 is about 482.5748652032.

The spelling of 112381311 in words is "one hundred twelve million, three hundred eighty-one thousand, three hundred eleven".

Divisors: 1 3 7 21 67 201 469 1407 79873 239619 559111 1677333 5351491 16054473 37460437 112381311