Base | Representation |
---|---|
bin | 100110111110110… |
… | …1110001111000101 |
3 | 10101011021121001220 |
4 | 1031331232033011 |
5 | 10134323311142 |
6 | 333443310553 |
7 | 44262015201 |
oct | 11575561705 |
9 | 3334247056 |
10 | 1308025797 |
11 | 61138a161 |
12 | 30607b459 |
13 | 17acb8080 |
14 | c5a0db01 |
15 | 79c782ec |
hex | 4df6e3c5 |
1308025797 has 32 divisors (see below), whose sum is σ = 1980021120. Its totient is φ = 761425920.
The previous prime is 1308025793. The next prime is 1308025819. The reversal of 1308025797 is 7975208031.
It is not a de Polignac number, because 1308025797 - 22 = 1308025793 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1308025793) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 960397 + ... + 961757.
It is an arithmetic number, because the mean of its divisors is an integer number (61875660).
Almost surely, 21308025797 is an apocalyptic number.
It is an amenable number.
1308025797 is a deficient number, since it is larger than the sum of its proper divisors (671995323).
1308025797 is a wasteful number, since it uses less digits than its factorization.
1308025797 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2693.
The product of its (nonzero) digits is 105840, while the sum is 42.
The square root of 1308025797 is about 36166.6392826317. The cubic root of 1308025797 is about 1093.6342506429.
The spelling of 1308025797 in words is "one billion, three hundred eight million, twenty-five thousand, seven hundred ninety-seven".
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