Base | Representation |
---|---|
bin | 100101111011001… |
… | …1011101101100000 |
3 | 10021200112202210122 |
4 | 1023312123231200 |
5 | 10101233413410 |
6 | 330135215412 |
7 | 43351404602 |
oct | 11366335540 |
9 | 3250482718 |
10 | 1272560480 |
11 | 5a3366584 |
12 | 2b6217568 |
13 | 17384b589 |
14 | c101b172 |
15 | 76abee55 |
hex | 4bd9bb60 |
1272560480 has 48 divisors (see below), whose sum is σ = 3051321840. Its totient is φ = 501422592.
The previous prime is 1272560459. The next prime is 1272560507. The reversal of 1272560480 is 840652721.
It is a self number, because there is not a number n which added to its sum of digits gives 1272560480.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48635 + ... + 70074.
It is an arithmetic number, because the mean of its divisors is an integer number (63569205).
Almost surely, 21272560480 is an apocalyptic number.
1272560480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1272560480 is an abundant number, since it is smaller than the sum of its proper divisors (1778761360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1272560480 is a wasteful number, since it uses less digits than its factorization.
1272560480 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 118791 (or 118783 counting only the distinct ones).
The product of its (nonzero) digits is 26880, while the sum is 35.
The square root of 1272560480 is about 35672.9656743030. The cubic root of 1272560480 is about 1083.6594201539.
The spelling of 1272560480 in words is "one billion, two hundred seventy-two million, five hundred sixty thousand, four hundred eighty".
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