Base | Representation |
---|---|
bin | 1011010111011010110… |
… | …10001100001011001101 |
3 | 1101100000201022202011002 |
4 | 11223231122030023031 |
5 | 22344301202404240 |
6 | 455223531510045 |
7 | 40133462161361 |
oct | 5535532141315 |
9 | 1340021282132 |
10 | 390530122445 |
11 | 140694089211 |
12 | 6382b8b8325 |
13 | 2aa997218b8 |
14 | 14c8a5d72a1 |
15 | a25a353d15 |
hex | 5aed68c2cd |
390530122445 has 8 divisors (see below), whose sum is σ = 468700945944. Its totient is φ = 312380898624.
The previous prime is 390530122439. The next prime is 390530122483. The reversal of 390530122445 is 544221035093.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 28494452809 + 362035669636 = 168803^2 + 601694^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-390530122445 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 390530122399 and 390530122408.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5360114 + ... + 5432483.
It is an arithmetic number, because the mean of its divisors is an integer number (58587618243).
Almost surely, 2390530122445 is an apocalyptic number.
It is an amenable number.
390530122445 is a deficient number, since it is larger than the sum of its proper divisors (78170823499).
390530122445 is a wasteful number, since it uses less digits than its factorization.
390530122445 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10799839.
The product of its (nonzero) digits is 129600, while the sum is 38.
The spelling of 390530122445 in words is "three hundred ninety billion, five hundred thirty million, one hundred twenty-two thousand, four hundred forty-five".
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