Base | Representation |
---|---|
bin | 100100011100101… |
… | …1011001110110100 |
3 | 10011020022111211220 |
4 | 1020321123032310 |
5 | 10001042411200 |
6 | 321205230340 |
7 | 42210304305 |
oct | 11071331664 |
9 | 3136274756 |
10 | 1223013300 |
11 | 5783a4aa3 |
12 | 2a17023b0 |
13 | 1664c1312 |
14 | b86007ac |
15 | 725844a0 |
hex | 48e5b3b4 |
1223013300 has 72 divisors (see below), whose sum is σ = 3581291616. Its totient is φ = 322200960.
The previous prime is 1223013283. The next prime is 1223013349. The reversal of 1223013300 is 33103221.
1223013300 is digitally balanced in base 4, because in such base 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 (15).
It is a self number, because there is not a number n which added to its sum of digits gives 1223013300.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 342 + ... + 49458.
Almost surely, 21223013300 is an apocalyptic number.
1223013300 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 1223013300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1790645808).
1223013300 is an abundant number, since it is smaller than the sum of its proper divisors (2358278316).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1223013300 is a wasteful number, since it uses less digits than its factorization.
1223013300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49217 (or 49210 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 15.
The square root of 1223013300 is about 34971.6070548667. The cubic root of 1223013300 is about 1069.4087338063.
Adding to 1223013300 its reverse (33103221), we get a palindrome (1256116521).
The spelling of 1223013300 in words is "one billion, two hundred twenty-three million, thirteen thousand, three hundred".
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