Base | Representation |
---|---|
bin | 100100101100110… |
… | …1100011001111111 |
3 | 10011211020021100112 |
4 | 1021121230121333 |
5 | 10010224103010 |
6 | 322110420235 |
7 | 42342225056 |
oct | 11131543177 |
9 | 3154207315 |
10 | 1231472255 |
11 | 582152372 |
12 | 2a450167b |
13 | 168193610 |
14 | b97a339d |
15 | 731a5a05 |
hex | 4966c67f |
1231472255 has 8 divisors (see below), whose sum is σ = 1591441152. Its totient is φ = 909394848.
The previous prime is 1231472243. The next prime is 1231472273. The reversal of 1231472255 is 5522741321.
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 1231472255 - 26 = 1231472191 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9472799 + ... + 9472928.
It is an arithmetic number, because the mean of its divisors is an integer number (198930144).
Almost surely, 21231472255 is an apocalyptic number.
1231472255 is a deficient number, since it is larger than the sum of its proper divisors (359968897).
1231472255 is a wasteful number, since it uses less digits than its factorization.
1231472255 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18945745.
The product of its digits is 16800, while the sum is 32.
The square root of 1231472255 is about 35092.3389787572. The cubic root of 1231472255 is about 1071.8685883389.
The spelling of 1231472255 in words is "one billion, two hundred thirty-one million, four hundred seventy-two thousand, two hundred fifty-five".
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