Search a number
-
+
112331021 = 11194113109
BaseRepresentation
bin1101011001000…
…00100100001101
321211101000012012
412230200210031
5212224043041
615051351005
72532540455
oct654404415
9254330165
10112331021
1158453a60
1231752465
131a37037a
1410cc0d65
159cdd3eb
hex6b2090d

112331021 has 16 divisors (see below), whose sum is σ = 132148800. Its totient is φ = 94377600.

The previous prime is 112331003. The next prime is 112331027. The reversal of 112331021 is 120133211.

It is a cyclic number.

It is not a de Polignac number, because 112331021 - 26 = 112330957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112330987 and 112331005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112331027) by changing a digit.

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, 2015 + ... + 15123.

It is an arithmetic number, because the mean of its divisors is an integer number (8259300).

Almost surely, 2112331021 is an apocalyptic number.

112331021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112331021 is a deficient number, since it is larger than the sum of its proper divisors (19817779).

112331021 is a wasteful number, since it uses less digits than its factorization.

112331021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13180.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 112331021 is about 10598.6329778892. The cubic root of 112331021 is about 482.5028712904.

Adding to 112331021 its reverse (120133211), we get a palindrome (232464232).

It can be divided in two parts, 112 and 331021, that added together give a palindrome (331133).

The spelling of 112331021 in words is "one hundred twelve million, three hundred thirty-one thousand, twenty-one".

Divisors: 1 11 19 41 209 451 779 8569 13109 144199 249071 537469 2739781 5912159 10211911 112331021