Base | Representation |
---|---|
bin | 110000011001… |
… | …011100101110 |
3 | 212212120111110 |
4 | 300121130232 |
5 | 11221442100 |
6 | 1131532450 |
7 | 212560530 |
oct | 60313456 |
9 | 25776443 |
10 | 12687150 |
11 | 7186053 |
12 | 42ba126 |
13 | 28229b8 |
14 | 1983850 |
15 | 11a9250 |
hex | c1972e |
12687150 has 96 divisors (see below), whose sum is σ = 36926208. Its totient is φ = 2822400.
The previous prime is 12687149. The next prime is 12687179. The reversal of 12687150 is 5178621.
12687150 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 45010 + ... + 45290.
It is an arithmetic number, because the mean of its divisors is an integer number (384648).
Almost surely, 212687150 is an apocalyptic number.
12687150 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 12687150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18463104).
12687150 is an abundant number, since it is smaller than the sum of its proper divisors (24239058).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12687150 is a wasteful number, since it uses less digits than its factorization.
12687150 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 346 (or 341 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 30.
The square root of 12687150 is about 3561.9025814865. The cubic root of 12687150 is about 233.2319400737.
The spelling of 12687150 in words is "twelve million, six hundred eighty-seven thousand, one hundred fifty".
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