Search a number
-
+
112011431 = 743372131
BaseRepresentation
bin1101010110100…
…10100010100111
321210202202210112
412223102202213
5212133331211
615040443235
72530036640
oct653224247
9253682715
10112011431
1158255934
123161951b
131a28aa6c
1410c3a6c7
159c7888b
hex6ad28a7

112011431 has 8 divisors (see below), whose sum is σ = 130990464. Its totient is φ = 93776760.

The previous prime is 112011421. The next prime is 112011443. The reversal of 112011431 is 134110211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-112011431 is a prime.

It is a super-2 number, since 2×1120114312 = 25093121349335522, 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 (112011421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185765 + ... + 186366.

It is an arithmetic number, because the mean of its divisors is an integer number (16373808).

Almost surely, 2112011431 is an apocalyptic number.

112011431 is a deficient number, since it is larger than the sum of its proper divisors (18979033).

112011431 is an equidigital number, since it uses as much as digits as its factorization.

112011431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372181.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 112011431 is about 10583.5452944654. The cubic root of 112011431 is about 482.0448512868.

Adding to 112011431 its reverse (134110211), we get a palindrome (246121642).

The spelling of 112011431 in words is "one hundred twelve million, eleven thousand, four hundred thirty-one".

Divisors: 1 7 43 301 372131 2604917 16001633 112011431