Base | Representation |
---|---|
bin | 10001101001111001001… |
… | …001011110000011111000 |
3 | 11021222111220212110012020 |
4 | 101221321021132003320 |
5 | 124334130101144112 |
6 | 2325201551314440 |
7 | 153436361632263 |
oct | 21517111360370 |
9 | 4258456773166 |
10 | 1213213303032 |
11 | 428580310245 |
12 | 17716681ba20 |
13 | 8a536c20b03 |
14 | 42a11339cda |
15 | 21859c2348c |
hex | 11a7925e0f8 |
1213213303032 has 16 divisors (see below), whose sum is σ = 3033033257640. Its totient is φ = 404404434336.
The previous prime is 1213213303019. The next prime is 1213213303033. The reversal of 1213213303032 is 2303033123121.
It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 50550554293 = 1213213303032 / (1 + 2 + 1 + 3 + 2 + 1 + 3 + 3 + 0 + 3 + 0 + 3 + 2).
It is a junction number, because it is equal to n+sod(n) for n = 1213213302993 and 1213213303011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1213213303033) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25275277123 + ... + 25275277170.
Almost surely, 21213213303032 is an apocalyptic number.
1213213303032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1213213303032 is an abundant number, since it is smaller than the sum of its proper divisors (1819819954608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1213213303032 is a wasteful number, since it uses less digits than its factorization.
1213213303032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50550554302 (or 50550554298 counting only the distinct ones).
The product of its (nonzero) digits is 1944, while the sum is 24.
Adding to 1213213303032 its reverse (2303033123121), we get a palindrome (3516246426153).
The spelling of 1213213303032 in words is "one trillion, two hundred thirteen billion, two hundred thirteen million, three hundred three thousand, thirty-two".
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