Base | Representation |
---|---|
bin | 110000011111… |
… | …000001110000 |
3 | 212220201211202 |
4 | 300133001300 |
5 | 11223210000 |
6 | 1132230332 |
7 | 213014252 |
oct | 60370160 |
9 | 25821752 |
10 | 12710000 |
11 | 71a1236 |
12 | 430b3a8 |
13 | 2830214 |
14 | 198bcd2 |
15 | 11b0dd5 |
hex | c1f070 |
12710000 has 100 divisors (see below), whose sum is σ = 32539584. Its totient is φ = 4800000.
The previous prime is 12709997. The next prime is 12710003. The reversal of 12710000 is 1721.
It is an interprime number because it is at equal distance from previous prime (12709997) and next prime (12710003).
It is a tau number, because it is divible by the number of its divisors (100).
It is a zygodrome in base 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12710003) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 309980 + ... + 310020.
Almost surely, 212710000 is an apocalyptic number.
12710000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12710000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16269792).
12710000 is an abundant number, since it is smaller than the sum of its proper divisors (19829584).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12710000 is an equidigital number, since it uses as much as digits as its factorization.
12710000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 100 (or 79 counting only the distinct ones).
The product of its (nonzero) digits is 14, while the sum is 11.
The square root of 12710000 is about 3565.1086939952. The cubic root of 12710000 is about 233.3718757193.
Adding to 12710000 its reverse (1721), we get a palindrome (12711721).
The spelling of 12710000 in words is "twelve million, seven hundred ten thousand".
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