Base | Representation |
---|---|
bin | 100110111110110… |
… | …0011010011111111 |
3 | 10101011012022200210 |
4 | 1031331203103333 |
5 | 10134320343210 |
6 | 333442323503 |
7 | 44261440563 |
oct | 11575432377 |
9 | 3334168623 |
10 | 1307981055 |
11 | 611359587 |
12 | 306059593 |
13 | 17aca08b4 |
14 | c59db6a3 |
15 | 79c69e20 |
hex | 4df634ff |
1307981055 has 32 divisors (see below), whose sum is σ = 2168026560. Its totient is φ = 672573440.
The previous prime is 1307981053. The next prime is 1307981063. The reversal of 1307981055 is 5501897031.
It is not a de Polignac number, because 1307981055 - 21 = 1307981053 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1307981053) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 381529 + ... + 384941.
It is an arithmetic number, because the mean of its divisors is an integer number (67750830).
Almost surely, 21307981055 is an apocalyptic number.
1307981055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
1307981055 is a deficient number, since it is larger than the sum of its proper divisors (860045505).
1307981055 is a wasteful number, since it uses less digits than its factorization.
1307981055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4331.
The product of its (nonzero) digits is 37800, while the sum is 39.
The square root of 1307981055 is about 36166.0207238784. The cubic root of 1307981055 is about 1093.6217809751.
The spelling of 1307981055 in words is "one billion, three hundred seven million, nine hundred eighty-one thousand, fifty-five".
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