Base | Representation |
---|---|
bin | 11000100110111001… |
… | …10110001101111111 |
3 | 1021002201021002001200 |
4 | 30103130312031333 |
5 | 204024033343403 |
6 | 10022534310543 |
7 | 645246416520 |
oct | 142334661577 |
9 | 37081232050 |
10 | 13211231103 |
11 | 566a439514 |
12 | 26884b8453 |
13 | 132708c015 |
14 | 8d4832847 |
15 | 524c78ca3 |
hex | 31373637f |
13211231103 has 24 divisors (see below), whose sum is σ = 21826861056. Its totient is φ = 7543098000.
The previous prime is 13211231101. The next prime is 13211231113. The reversal of 13211231103 is 30113211231.
It is not a de Polignac number, because 13211231103 - 21 = 13211231101 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13211231101) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7623 + ... + 162728.
It is an arithmetic number, because the mean of its divisors is an integer number (909452544).
Almost surely, 213211231103 is an apocalyptic number.
13211231103 is a deficient number, since it is larger than the sum of its proper divisors (8615629953).
13211231103 is a wasteful number, since it uses less digits than its factorization.
13211231103 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 171595 (or 171592 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
Adding to 13211231103 its reverse (30113211231), we get a palindrome (43324442334).
The spelling of 13211231103 in words is "thirteen billion, two hundred eleven million, two hundred thirty-one thousand, one hundred three".
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