Base | Representation |
---|---|
bin | 11000011100001010… |
… | …00001100101001110 |
3 | 1020212102122221120202 |
4 | 30032011001211032 |
5 | 203333000200420 |
6 | 10005554413502 |
7 | 643103340116 |
oct | 141605014516 |
9 | 36772587522 |
10 | 13121100110 |
11 | 5623578798 |
12 | 2662291292 |
13 | 13114c2581 |
14 | 8c6890046 |
15 | 51bdc3575 |
hex | 30e14194e |
13121100110 has 16 divisors (see below), whose sum is σ = 23677478496. Its totient is φ = 5235218208.
The previous prime is 13121100107. The next prime is 13121100119. The reversal of 13121100110 is 1100112131.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 13121100091 and 13121100100.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13121100119) 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, 1648562 + ... + 1656501.
It is an arithmetic number, because the mean of its divisors is an integer number (1479842406).
Almost surely, 213121100110 is an apocalyptic number.
13121100110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13121100110 is a deficient number, since it is larger than the sum of its proper divisors (10556378386).
13121100110 is a wasteful number, since it uses less digits than its factorization.
13121100110 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3305467.
The product of its (nonzero) digits is 6, while the sum is 11.
Adding to 13121100110 its reverse (1100112131), we get a palindrome (14221212241).
The spelling of 13121100110 in words is "thirteen billion, one hundred twenty-one million, one hundred thousand, one hundred ten".
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