Base | Representation |
---|---|
bin | 110010000011… |
… | …011110000010 |
3 | 220200122012011 |
4 | 302003132002 |
5 | 11324341120 |
6 | 1145123134 |
7 | 216346561 |
oct | 62033602 |
9 | 26618164 |
10 | 13121410 |
11 | 7452345 |
12 | 44894aa |
13 | 2945563 |
14 | 1a57bd8 |
15 | 1242c5a |
hex | c83782 |
13121410 has 16 divisors (see below), whose sum is σ = 23841216. Its totient is φ = 5199088.
The previous prime is 13121371. The next prime is 13121411. The reversal of 13121410 is 1412131.
It is not an unprimeable number, because it can be changed into a prime (13121411) 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, 5062 + ... + 7201.
It is an arithmetic number, because the mean of its divisors is an integer number (1490076).
Almost surely, 213121410 is an apocalyptic number.
13121410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13121410 is a deficient number, since it is larger than the sum of its proper divisors (10719806).
13121410 is a wasteful number, since it uses less digits than its factorization.
13121410 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12377.
The product of its (nonzero) digits is 24, while the sum is 13.
The square root of 13121410 is about 3622.3486855906. The cubic root of 13121410 is about 235.8631903608.
Adding to 13121410 its reverse (1412131), we get a palindrome (14533541).
It can be divided in two parts, 13121 and 410, that added together give a palindrome (13531).
The spelling of 13121410 in words is "thirteen million, one hundred twenty-one thousand, four hundred ten".
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