Base | Representation |
---|---|
bin | 110001101101… |
… | …011011000110 |
3 | 220112001022201 |
4 | 301231123012 |
5 | 11313443420 |
6 | 1143145114 |
7 | 215522401 |
oct | 61553306 |
9 | 26461281 |
10 | 13031110 |
11 | 73a0514 |
12 | 444519a |
13 | 2913421 |
14 | 1a32d38 |
15 | 122610a |
hex | c6d6c6 |
13031110 has 32 divisors (see below), whose sum is σ = 24960960. Its totient is φ = 4887168.
The previous prime is 13031101. The next prime is 13031159. The reversal of 13031110 is 1113031.
It is a Harshad number since it is a multiple of its sum of digits (10).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11656 + ... + 12724.
It is an arithmetic number, because the mean of its divisors is an integer number (780030).
Almost surely, 213031110 is an apocalyptic number.
13031110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13031110 is a deficient number, since it is larger than the sum of its proper divisors (11929850).
13031110 is a wasteful number, since it uses less digits than its factorization.
13031110 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1152.
The product of its (nonzero) digits is 9, while the sum is 10.
The square root of 13031110 is about 3609.8628782822. The cubic root of 13031110 is about 235.3208835115.
Adding to 13031110 its reverse (1113031), we get a palindrome (14144141).
It can be divided in two parts, 130311 and 10, that added together give a 4-th power (130321 = 194).
The spelling of 13031110 in words is "thirteen million, thirty-one thousand, one hundred ten".
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