Base | Representation |
---|---|
bin | 100110000000010… |
… | …0111101010001000 |
3 | 10021212120102212110 |
4 | 1030000213222020 |
5 | 10102424341411 |
6 | 330312342320 |
7 | 43413166134 |
oct | 11400475210 |
9 | 3255512773 |
10 | 1275230856 |
11 | 5a491a8a9 |
12 | 2b70a49a0 |
13 | 174274b93 |
14 | c15143c4 |
15 | 76e4b2a6 |
hex | 4c027a88 |
1275230856 has 32 divisors (see below), whose sum is σ = 3197129760. Its totient is φ = 423869952.
The previous prime is 1275230821. The next prime is 1275230903. The reversal of 1275230856 is 6580325721.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66790 + ... + 83733.
It is an arithmetic number, because the mean of its divisors is an integer number (99910305).
Almost surely, 21275230856 is an apocalyptic number.
It is an amenable number.
1275230856 is an abundant number, since it is smaller than the sum of its proper divisors (1921898904).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1275230856 is a wasteful number, since it uses less digits than its factorization.
1275230856 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 150885 (or 150881 counting only the distinct ones).
The product of its (nonzero) digits is 100800, while the sum is 39.
The square root of 1275230856 is about 35710.3746269904. The cubic root of 1275230856 is about 1084.4168841753.
The spelling of 1275230856 in words is "one billion, two hundred seventy-five million, two hundred thirty thousand, eight hundred fifty-six".
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