Base | Representation |
---|---|
bin | 10001111001101110011… |
… | …100000111110000111111 |
3 | 11100121101200202120002212 |
4 | 101321232130013300333 |
5 | 130123434124343010 |
6 | 2341052521011035 |
7 | 154610560214420 |
oct | 21715634076077 |
9 | 4317350676085 |
10 | 1230213512255 |
11 | 434804502032 |
12 | 17a510023a7b |
13 | 8c015c88500 |
14 | 43785071647 |
15 | 2200243c505 |
hex | 11e6e707c3f |
1230213512255 has 48 divisors (see below), whose sum is σ = 1889911154880. Its totient is φ = 751833298944.
The previous prime is 1230213512239. The next prime is 1230213512273. The reversal of 1230213512255 is 5522153120321.
It is not a de Polignac number, because 1230213512255 - 24 = 1230213512239 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3414362 + ... + 3757431.
It is an arithmetic number, because the mean of its divisors is an integer number (39373149060).
Almost surely, 21230213512255 is an apocalyptic number.
1230213512255 is a deficient number, since it is larger than the sum of its proper divisors (659697642625).
1230213512255 is a wasteful number, since it uses less digits than its factorization.
1230213512255 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7171860 (or 7171847 counting only the distinct ones).
The product of its (nonzero) digits is 18000, while the sum is 32.
Adding to 1230213512255 its reverse (5522153120321), we get a palindrome (6752366632576).
The spelling of 1230213512255 in words is "one trillion, two hundred thirty billion, two hundred thirteen million, five hundred twelve thousand, two hundred fifty-five".
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