Base | Representation |
---|---|
bin | 110000000110… |
… | …111101100110 |
3 | 212201201122000 |
4 | 300012331212 |
5 | 11212031210 |
6 | 1130150130 |
7 | 212124006 |
oct | 60067546 |
9 | 25651560 |
10 | 12611430 |
11 | 7134177 |
12 | 4282346 |
13 | 27c73b0 |
14 | 1964006 |
15 | 1191ac0 |
hex | c06f66 |
12611430 has 64 divisors (see below), whose sum is σ = 36227520. Its totient is φ = 3103488.
The previous prime is 12611419. The next prime is 12611447. The reversal of 12611430 is 3411621.
It is a happy number.
12611430 is a `hidden beast` number, since 12 + 611 + 43 + 0 = 666.
12611430 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 (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1714 + ... + 5306.
It is an arithmetic number, because the mean of its divisors is an integer number (566055).
Almost surely, 212611430 is an apocalyptic number.
12611430 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 12611430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18113760).
12611430 is an abundant number, since it is smaller than the sum of its proper divisors (23616090).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12611430 is a wasteful number, since it uses less digits than its factorization.
12611430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3622 (or 3616 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
The square root of 12611430 is about 3551.2575237513. The cubic root of 12611430 is about 232.7670189222.
It can be divided in two parts, 12611 and 430, that added together give a triangular number (13041 = T161).
The spelling of 12611430 in words is "twelve million, six hundred eleven thousand, four hundred thirty".
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