Base | Representation |
---|---|
bin | 10010010001001000101… |
… | …100101011111100100001 |
3 | 11110000021111201202102221 |
4 | 102101020230223330201 |
5 | 131031424112434241 |
6 | 2400411101511041 |
7 | 156460513665616 |
oct | 22211054537441 |
9 | 4400244652387 |
10 | 1255350124321 |
11 | 444433466797 |
12 | 183366272481 |
13 | 914c08b3c67 |
14 | 44a8b61a50d |
15 | 229c40e75d1 |
hex | 12448b2bf21 |
1255350124321 has 8 divisors (see below), whose sum is σ = 1256271263744. Its totient is φ = 1254429141120.
The previous prime is 1255350124297. The next prime is 1255350124333. The reversal of 1255350124321 is 1234210535521.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1255350124321 - 25 = 1255350124289 is a prime.
It is a super-2 number, since 2×12553501243212 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1255350124381) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19572721 + ... + 19636753.
It is an arithmetic number, because the mean of its divisors is an integer number (157033907968).
Almost surely, 21255350124321 is an apocalyptic number.
It is an amenable number.
1255350124321 is a deficient number, since it is larger than the sum of its proper divisors (921139423).
1255350124321 is a wasteful number, since it uses less digits than its factorization.
1255350124321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 78111.
The product of its (nonzero) digits is 36000, while the sum is 34.
Adding to 1255350124321 its reverse (1234210535521), we get a palindrome (2489560659842).
The spelling of 1255350124321 in words is "one trillion, two hundred fifty-five billion, three hundred fifty million, one hundred twenty-four thousand, three hundred twenty-one".
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