Base | Representation |
---|---|
bin | 1001000011111001100… |
… | …01100001111101001111 |
3 | 1002202121012012200102210 |
4 | 10201330301201331033 |
5 | 20100101214113424 |
6 | 355005023521503 |
7 | 31331033605203 |
oct | 4417461417517 |
9 | 1082535180383 |
10 | 311331004239 |
11 | 110042265512 |
12 | 50408159293 |
13 | 234874bb148 |
14 | 110d5d76b03 |
15 | 8172333729 |
hex | 487cc61f4f |
311331004239 has 8 divisors (see below), whose sum is σ = 417752006320. Its totient is φ = 206232002496.
The previous prime is 311331004217. The next prime is 311331004253. The reversal of 311331004239 is 932400133113.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 311331004239 - 217 = 311330873167 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (311331004139) 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, 330499534 + ... + 330500475.
It is an arithmetic number, because the mean of its divisors is an integer number (52219000790).
Almost surely, 2311331004239 is an apocalyptic number.
311331004239 is a deficient number, since it is larger than the sum of its proper divisors (106421002081).
311331004239 is a wasteful number, since it uses less digits than its factorization.
311331004239 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 661000169.
The product of its (nonzero) digits is 5832, while the sum is 30.
The spelling of 311331004239 in words is "three hundred eleven billion, three hundred thirty-one million, four thousand, two hundred thirty-nine".
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