Base | Representation |
---|---|
bin | 10001101001011100111… |
… | …110010001101011001100 |
3 | 11021221021222101222200111 |
4 | 101221130332101223030 |
5 | 124332143043403133 |
6 | 2325043024005404 |
7 | 153421562033623 |
oct | 21513476215314 |
9 | 4257258358614 |
10 | 1212740606668 |
11 | 428358502498 |
12 | 177054460864 |
13 | 8a490008616 |
14 | 429a86506ba |
15 | 2182d4a01cd |
hex | 11a5cf91acc |
1212740606668 has 12 divisors (see below), whose sum is σ = 2123486369200. Its totient is φ = 606030215472.
The previous prime is 1212740606653. The next prime is 1212740606669. The reversal of 1212740606668 is 8666060472121.
It is a super-2 number, since 2×12127406066682 (a number of 25 digits) contains 22 as substring.
It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (1212740606669) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85013943 + ... + 85028206.
Almost surely, 21212740606668 is an apocalyptic number.
It is an amenable number.
1212740606668 is a deficient number, since it is larger than the sum of its proper divisors (910745762532).
1212740606668 is a wasteful number, since it uses less digits than its factorization.
1212740606668 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 170043936 (or 170043934 counting only the distinct ones).
The product of its (nonzero) digits is 1161216, while the sum is 49.
The spelling of 1212740606668 in words is "one trillion, two hundred twelve billion, seven hundred forty million, six hundred six thousand, six hundred sixty-eight".
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