Search a number
-
+
103112443 = 7127115987
BaseRepresentation
bin1100010010101…
…01111011111011
321012000122200101
412021111323323
5202344044233
614122020231
72361304240
oct611257373
9235018611
10103112443
11532279a5
122a647677
13184933a5
14d9a15c7
1590bbc7d
hex6255efb

103112443 has 8 divisors (see below), whose sum is σ = 118771712. Its totient is φ = 87685416.

The previous prime is 103112441. The next prime is 103112467. The reversal of 103112443 is 344211301.

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

It is not a de Polignac number, because 103112443 - 21 = 103112441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103112443.

It is not an unprimeable number, because it can be changed into a prime (103112441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57105 + ... + 58882.

It is an arithmetic number, because the mean of its divisors is an integer number (14846464).

Almost surely, 2103112443 is an apocalyptic number.

103112443 is a deficient number, since it is larger than the sum of its proper divisors (15659269).

103112443 is a wasteful number, since it uses less digits than its factorization.

103112443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116121.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 103112443 is about 10154.4297230322. The cubic root of 103112443 is about 468.9253294227.

Adding to 103112443 its reverse (344211301), we get a palindrome (447323744).

The spelling of 103112443 in words is "one hundred three million, one hundred twelve thousand, four hundred forty-three".

Divisors: 1 7 127 889 115987 811909 14730349 103112443