Base | Representation |
---|---|
bin | 11000011100001010… |
… | …00010100100000100 |
3 | 1020212102200011002201 |
4 | 30032011002210010 |
5 | 203333000313012 |
6 | 10005554444244 |
7 | 643103354623 |
oct | 141605024404 |
9 | 36772604081 |
10 | 13121104132 |
11 | 5623580814 |
12 | 2662293684 |
13 | 13114c4356 |
14 | 8c68916ba |
15 | 51bdc4857 |
hex | 30e142904 |
13121104132 has 48 divisors (see below), whose sum is σ = 24847123840. Its totient is φ = 6041578752.
The previous prime is 13121104127. The next prime is 13121104133. The reversal of 13121104132 is 23140112131.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is not an unprimeable number, because it can be changed into a prime (13121104133) 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, 5012488 + ... + 5015104.
Almost surely, 213121104132 is an apocalyptic number.
It is an amenable number.
13121104132 is a deficient number, since it is larger than the sum of its proper divisors (11726019708).
13121104132 is a wasteful number, since it uses less digits than its factorization.
13121104132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4460 (or 4458 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 19.
Adding to 13121104132 its reverse (23140112131), we get a palindrome (36261216263).
The spelling of 13121104132 in words is "thirteen billion, one hundred twenty-one million, one hundred four thousand, one hundred thirty-two".
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