Base | Representation |
---|---|
bin | 1001001000010101000… |
… | …11011110111110100001 |
3 | 1002222201222010021022210 |
4 | 10210022203132332201 |
5 | 20114434134433224 |
6 | 400041035152333 |
7 | 31444006224360 |
oct | 4441243367641 |
9 | 1088658107283 |
10 | 313709686689 |
11 | 111052a37883 |
12 | 509708a56a9 |
13 | 23776251a59 |
14 | 1127dc477d7 |
15 | 8261098429 |
hex | 490a8defa1 |
313709686689 has 16 divisors (see below), whose sum is σ = 485870430080. Its totient is φ = 176323944960.
The previous prime is 313709686681. The next prime is 313709686727. The reversal of 313709686689 is 986686907313.
It is not a de Polignac number, because 313709686689 - 23 = 313709686681 is a prime.
It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (313709686681) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122445904 + ... + 122448465.
It is an arithmetic number, because the mean of its divisors is an integer number (30366901880).
Almost surely, 2313709686689 is an apocalyptic number.
It is an amenable number.
313709686689 is a deficient number, since it is larger than the sum of its proper divisors (172160743391).
313709686689 is a wasteful number, since it uses less digits than its factorization.
313709686689 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 244894440.
The product of its (nonzero) digits is 70543872, while the sum is 66.
The spelling of 313709686689 in words is "three hundred thirteen billion, seven hundred nine million, six hundred eighty-six thousand, six hundred eighty-nine".
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