Base | Representation |
---|---|
bin | 110001111110… |
… | …011100110010 |
3 | 220122120222200 |
4 | 301332130302 |
5 | 11323211400 |
6 | 1144444030 |
7 | 216232620 |
oct | 61763462 |
9 | 26576880 |
10 | 13100850 |
11 | 7438954 |
12 | 4479616 |
13 | 29390a9 |
14 | 1a50510 |
15 | 123bb00 |
hex | c7e732 |
13100850 has 72 divisors (see below), whose sum is σ = 40235520. Its totient is φ = 2993760.
The previous prime is 13100821. The next prime is 13100887. The reversal of 13100850 is 5800131.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1071 + ... + 5229.
Almost surely, 213100850 is an apocalyptic number.
13100850 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 13100850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20117760).
13100850 is an abundant number, since it is smaller than the sum of its proper divisors (27134670).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13100850 is a wasteful number, since it uses less digits than its factorization.
13100850 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4184 (or 4176 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 18.
The square root of 13100850 is about 3619.5096352959. The cubic root of 13100850 is about 235.7399342417.
Adding to 13100850 its reverse (5800131), we get a palindrome (18900981).
The spelling of 13100850 in words is "thirteen million, one hundred thousand, eight hundred fifty".
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