Base | Representation |
---|---|
bin | 110001100100… |
… | …101001110110 |
3 | 220110020001100 |
4 | 301210221312 |
5 | 11311321230 |
6 | 1142310530 |
7 | 215312565 |
oct | 61445166 |
9 | 26406040 |
10 | 12995190 |
11 | 737652a |
12 | 4428446 |
13 | 28ccc80 |
14 | 1a23bdc |
15 | 121a660 |
hex | c64a76 |
12995190 has 96 divisors (see below), whose sum is σ = 37739520. Its totient is φ = 3080448.
The previous prime is 12995189. The next prime is 12995197. The reversal of 12995190 is 9159921.
12995190 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×129951902 = 337749926272200, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12995197) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33739 + ... + 34121.
It is an arithmetic number, because the mean of its divisors is an integer number (393120).
Almost surely, 212995190 is an apocalyptic number.
12995190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 12995190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18869760).
12995190 is an abundant number, since it is smaller than the sum of its proper divisors (24744330).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12995190 is a wasteful number, since it uses less digits than its factorization.
12995190 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 438 (or 435 counting only the distinct ones).
The product of its (nonzero) digits is 7290, while the sum is 36.
The square root of 12995190 is about 3604.8841867666. The cubic root of 12995190 is about 235.1044654002.
The spelling of 12995190 in words is "twelve million, nine hundred ninety-five thousand, one hundred ninety".
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