Base | Representation |
---|---|
bin | 110000100001… |
… | …011111011100 |
3 | 212221020200112 |
4 | 300201133130 |
5 | 11224020332 |
6 | 1132345152 |
7 | 213055550 |
oct | 60413734 |
9 | 25836615 |
10 | 12720092 |
11 | 71a8880 |
12 | 43151b8 |
13 | 28349a8 |
14 | 1991860 |
15 | 11b3db2 |
hex | c217dc |
12720092 has 24 divisors (see below), whose sum is σ = 27753600. Its totient is φ = 4955760.
The previous prime is 12720091. The next prime is 12720107. The reversal of 12720092 is 29002721.
12720092 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12720091) 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, 20342 + ... + 20957.
It is an arithmetic number, because the mean of its divisors is an integer number (1156400).
Almost surely, 212720092 is an apocalyptic number.
It is an amenable number.
12720092 is an abundant number, since it is smaller than the sum of its proper divisors (15033508).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12720092 is a wasteful number, since it uses less digits than its factorization.
12720092 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41321 (or 41319 counting only the distinct ones).
The product of its (nonzero) digits is 504, while the sum is 23.
The square root of 12720092 is about 3566.5237977616. The cubic root of 12720092 is about 233.4336267261.
The spelling of 12720092 in words is "twelve million, seven hundred twenty thousand, ninety-two".
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