Base | Representation |
---|---|
bin | 100010110001101001… |
… | …1101010011111101001 |
3 | 21010202121121200002210 |
4 | 1011203103222133221 |
5 | 2210421204340314 |
6 | 54150251115333 |
7 | 5252440100136 |
oct | 1054323523751 |
9 | 233677550083 |
10 | 74680543209 |
11 | 297432464a8 |
12 | 12582442b49 |
13 | 707205534c |
14 | 38864bb58d |
15 | 1e214b3559 |
hex | 11634ea7e9 |
74680543209 has 16 divisors (see below), whose sum is σ = 101466499392. Its totient is φ = 48841061568.
The previous prime is 74680543199. The next prime is 74680543229. The reversal of 74680543209 is 90234508647.
It is not a de Polignac number, because 74680543209 - 215 = 74680510441 is a prime.
It is not an unprimeable number, because it can be changed into a prime (74680543229) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1335714 + ... + 1390500.
It is an arithmetic number, because the mean of its divisors is an integer number (6341656212).
Almost surely, 274680543209 is an apocalyptic number.
It is an amenable number.
74680543209 is a deficient number, since it is larger than the sum of its proper divisors (26785956183).
74680543209 is a wasteful number, since it uses less digits than its factorization.
74680543209 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 63416.
The product of its (nonzero) digits is 1451520, while the sum is 48.
The spelling of 74680543209 in words is "seventy-four billion, six hundred eighty million, five hundred forty-three thousand, two hundred nine".
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