Base | Representation |
---|---|
bin | 10001101001101100101… |
… | …100001110011011011000 |
3 | 11021221222100121111222011 |
4 | 101221230230032123120 |
5 | 124333213100411412 |
6 | 2325125124035304 |
7 | 153431243341651 |
oct | 21515454163330 |
9 | 4257870544864 |
10 | 1213004310232 |
11 | 428483345920 |
12 | 177108832b34 |
13 | 8a502838530 |
14 | 429d1696528 |
15 | 218466de7a7 |
hex | 11a6cb0e6d8 |
1213004310232 has 64 divisors (see below), whose sum is σ = 2686765404960. Its totient is φ = 506140876800.
The previous prime is 1213004310191. The next prime is 1213004310233. The reversal of 1213004310232 is 2320134003121.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1213004310233) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2721993 + ... + 3136120.
Almost surely, 21213004310232 is an apocalyptic number.
It is an amenable number.
1213004310232 is an abundant number, since it is smaller than the sum of its proper divisors (1473761094728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1213004310232 is a wasteful number, since it uses less digits than its factorization.
1213004310232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5858324 (or 5858320 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 22.
Adding to 1213004310232 its reverse (2320134003121), we get a palindrome (3533138313353).
The spelling of 1213004310232 in words is "one trillion, two hundred thirteen billion, four million, three hundred ten thousand, two hundred thirty-two".
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