Base | Representation |
---|---|
bin | 10110110110111000… |
… | …10100100101110110 |
3 | 1011200020010022100120 |
4 | 23123130110211312 |
5 | 200113010204040 |
6 | 5345410152410 |
7 | 613046421612 |
oct | 133334244566 |
9 | 34606108316 |
10 | 12271569270 |
11 | 5227a87694 |
12 | 2465882706 |
13 | 12074b99bc |
14 | 845b10342 |
15 | 4bc5157d0 |
hex | 2db714976 |
12271569270 has 64 divisors (see below), whose sum is σ = 30746870784. Its totient is φ = 3128653440.
The previous prime is 12271569257. The next prime is 12271569301. The reversal of 12271569270 is 7296517221.
It is a congruent number.
It is an unprimeable number.
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, 2772279 + ... + 2776701.
It is an arithmetic number, because the mean of its divisors is an integer number (480419856).
Almost surely, 212271569270 is an apocalyptic number.
12271569270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12271569270 is an abundant number, since it is smaller than the sum of its proper divisors (18475301514).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12271569270 is a wasteful number, since it uses less digits than its factorization.
12271569270 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8477.
The product of its (nonzero) digits is 105840, while the sum is 42.
The spelling of 12271569270 in words is "twelve billion, two hundred seventy-one million, five hundred sixty-nine thousand, two hundred seventy".
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