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1103220013 = 71483106273
BaseRepresentation
bin100000111000001…
…1100110100101101
32211212220101100111
41001300130310231
54224411020023
6301245500021
736224133610
oct10160346455
92755811314
101103220013
11516814585
12269571611
1314773a50c
14a673a177
1566cc000d
hex41c1cd2d

1103220013 has 8 divisors (see below), whose sum is σ = 1261684928. Its totient is φ = 944970624.

The previous prime is 1103220007. The next prime is 1103220029. The reversal of 1103220013 is 3100223011.

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

It is a cyclic number.

It is not a de Polignac number, because 1103220013 - 29 = 1103219501 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1103219975 and 1103220002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103220913) 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, 42756 + ... + 63517.

It is an arithmetic number, because the mean of its divisors is an integer number (157710616).

Almost surely, 21103220013 is an apocalyptic number.

It is an amenable number.

1103220013 is a deficient number, since it is larger than the sum of its proper divisors (158464915).

1103220013 is a wasteful number, since it uses less digits than its factorization.

1103220013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107763.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1103220013 is about 33214.7559527388. The cubic root of 1103220013 is about 1033.2863934164.

Adding to 1103220013 its reverse (3100223011), we get a palindrome (4203443024).

The spelling of 1103220013 in words is "one billion, one hundred three million, two hundred twenty thousand, thirteen".

Divisors: 1 7 1483 10381 106273 743911 157602859 1103220013