Base | Representation |
---|---|
bin | 10111101011010011… |
… | …01010000111101010 |
3 | 1012210212111120101121 |
4 | 23311221222013222 |
5 | 202013041213223 |
6 | 5501154405454 |
7 | 626666015530 |
oct | 136551520752 |
9 | 35725446347 |
10 | 12711272938 |
11 | 5433200551 |
12 | 2568b9088a |
13 | 127761cca0 |
14 | 88828c150 |
15 | 4e5e1d15d |
hex | 2f5a6a1ea |
12711272938 has 32 divisors (see below), whose sum is σ = 23485359744. Its totient is φ = 5024693952.
The previous prime is 12711272879. The next prime is 12711272983. The reversal of 12711272938 is 83927211721.
It is a junction number, because it is equal to n+sod(n) for n = 12711272894 and 12711272903.
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 15 ways as a sum of consecutive naturals, for example, 211156 + ... + 264592.
It is an arithmetic number, because the mean of its divisors is an integer number (733917492).
Almost surely, 212711272938 is an apocalyptic number.
12711272938 is a deficient number, since it is larger than the sum of its proper divisors (10774086806).
12711272938 is a wasteful number, since it uses less digits than its factorization.
12711272938 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54766.
The product of its digits is 84672, while the sum is 43.
The spelling of 12711272938 in words is "twelve billion, seven hundred eleven million, two hundred seventy-two thousand, nine hundred thirty-eight".
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