Base | Representation |
---|---|
bin | 11111011100001110000… |
… | …01101001011010111001 |
3 | 10211021110010002011121011 |
4 | 33232013001221122321 |
5 | 120144424322203012 |
6 | 2144141200113521 |
7 | 141022615512304 |
oct | 17560701513271 |
9 | 3737403064534 |
10 | 1080302147257 |
11 | 387176442753 |
12 | 1554530058a1 |
13 | 7ab44ba08c8 |
14 | 3a403393b3b |
15 | 1d17b51a1a7 |
hex | fb870696b9 |
1080302147257 has 4 divisors (see below), whose sum is σ = 1080328802176. Its totient is φ = 1080275492340.
The previous prime is 1080302147213. The next prime is 1080302147263. The reversal of 1080302147257 is 7527412030801.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1080302147257 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1080302147297) 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, 13266573 + ... + 13347754.
It is an arithmetic number, because the mean of its divisors is an integer number (270082200544).
Almost surely, 21080302147257 is an apocalyptic number.
It is an amenable number.
1080302147257 is a deficient number, since it is larger than the sum of its proper divisors (26654919).
1080302147257 is an equidigital number, since it uses as much as digits as its factorization.
1080302147257 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26654918.
The product of its (nonzero) digits is 94080, while the sum is 40.
The spelling of 1080302147257 in words is "one trillion, eighty billion, three hundred two million, one hundred forty-seven thousand, two hundred fifty-seven".
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