Base | Representation |
---|---|
bin | 10000111111101110000000… |
… | …100110101100100110000100 |
3 | 100210122210021221112112022020 |
4 | 100333232000212230212010 |
5 | 34244130311202330233 |
6 | 422550303144203140 |
7 | 21513220034264124 |
oct | 2077560046544604 |
9 | 323583257475266 |
10 | 74747473480068 |
11 | 218a9253131634 |
12 | 84726897694b0 |
13 | 329286c45597c |
14 | 1465b23044c84 |
15 | 8995476d49b3 |
hex | 43fb809ac984 |
74747473480068 has 12 divisors (see below), whose sum is σ = 174410771453520. Its totient is φ = 24915824493352.
The previous prime is 74747473480067. The next prime is 74747473480129. The reversal of 74747473480068 is 86008437474747.
It is a tau number, because it is divible by the number of its divisors (12).
It is a junction number, because it is equal to n+sod(n) for n = 74747473479984 and 74747473480011.
It is not an unprimeable number, because it can be changed into a prime (74747473480063) 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, 3114478061658 + ... + 3114478061681.
It is an arithmetic number, because the mean of its divisors is an integer number (14534230954460).
Almost surely, 274747473480068 is an apocalyptic number.
It is an amenable number.
74747473480068 is an abundant number, since it is smaller than the sum of its proper divisors (99663297973452).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74747473480068 is a wasteful number, since it uses less digits than its factorization.
74747473480068 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6228956123346 (or 6228956123344 counting only the distinct ones).
The product of its (nonzero) digits is 708083712, while the sum is 69.
The spelling of 74747473480068 in words is "seventy-four trillion, seven hundred forty-seven billion, four hundred seventy-three million, four hundred eighty thousand, sixty-eight".
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