Base | Representation |
---|---|
bin | 11000001011011001… |
… | …00100110001110010 |
3 | 1020111122001100101021 |
4 | 30011230210301302 |
5 | 203041000113241 |
6 | 5544012330054 |
7 | 636445125310 |
oct | 140554446162 |
9 | 36448040337 |
10 | 12980472946 |
11 | 55611584a1 |
12 | 262317392a |
13 | 12bb32592c |
14 | 8b1d250b0 |
15 | 50e8960d1 |
hex | 305b24c72 |
12980472946 has 16 divisors (see below), whose sum is σ = 22449164544. Its totient is φ = 5513828544.
The previous prime is 12980472943. The next prime is 12980472949. The reversal of 12980472946 is 64927408921.
It is an interprime number because it is at equal distance from previous prime (12980472943) and next prime (12980472949).
It is a junction number, because it is equal to n+sod(n) for n = 12980472893 and 12980472902.
It is not an unprimeable number, because it can be changed into a prime (12980472943) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4100970 + ... + 4104133.
It is an arithmetic number, because the mean of its divisors is an integer number (1403072784).
Almost surely, 212980472946 is an apocalyptic number.
12980472946 is a deficient number, since it is larger than the sum of its proper divisors (9468691598).
12980472946 is a wasteful number, since it uses less digits than its factorization.
12980472946 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8205225.
The product of its (nonzero) digits is 1741824, while the sum is 52.
The spelling of 12980472946 in words is "twelve billion, nine hundred eighty million, four hundred seventy-two thousand, nine hundred forty-six".
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