Base | Representation |
---|---|
bin | 10111101000000110… |
… | …11011111111100110 |
3 | 1012202000002011102212 |
4 | 23310003123333212 |
5 | 201434211221030 |
6 | 5454400203422 |
7 | 626222161505 |
oct | 136403337746 |
9 | 35660064385 |
10 | 12684476390 |
11 | 541a068943 |
12 | 2560009572 |
13 | 1271bca141 |
14 | 8848b483c |
15 | 4e38c8595 |
hex | 2f40dbfe6 |
12684476390 has 16 divisors (see below), whose sum is σ = 24175120032. Its totient is φ = 4775332224.
The previous prime is 12684476383. The next prime is 12684476401. The reversal of 12684476390 is 9367448621.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37307114 + ... + 37307453.
It is an arithmetic number, because the mean of its divisors is an integer number (1510945002).
Almost surely, 212684476390 is an apocalyptic number.
12684476390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12684476390 is a deficient number, since it is larger than the sum of its proper divisors (11490643642).
12684476390 is a wasteful number, since it uses less digits than its factorization.
12684476390 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 74614591.
The product of its (nonzero) digits is 1741824, while the sum is 50.
The spelling of 12684476390 in words is "twelve billion, six hundred eighty-four million, four hundred seventy-six thousand, three hundred ninety".
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