Base | Representation |
---|---|
bin | 1011010110101010000… |
… | …01100011101111111111 |
3 | 1101021222012111210102122 |
4 | 11223111001203233333 |
5 | 22342431434342343 |
6 | 455115155113155 |
7 | 40120363614245 |
oct | 5532501435777 |
9 | 1337865453378 |
10 | 390121012223 |
11 | 1404a4160698 |
12 | 637368a27bb |
13 | 2aa32a40747 |
14 | 14c4c140795 |
15 | a234491068 |
hex | 5ad5063bff |
390121012223 has 8 divisors (see below), whose sum is σ = 392755070400. Its totient is φ = 387487164960.
The previous prime is 390121012189. The next prime is 390121012261. The reversal of 390121012223 is 322210121093.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 390121012223 - 218 = 390120750079 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 390121012192 and 390121012201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (390121012423) 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, 5962778 + ... + 6027848.
It is an arithmetic number, because the mean of its divisors is an integer number (49094383800).
Almost surely, 2390121012223 is an apocalyptic number.
390121012223 is a deficient number, since it is larger than the sum of its proper divisors (2634058177).
390121012223 is a wasteful number, since it uses less digits than its factorization.
390121012223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 105457.
The product of its (nonzero) digits is 1296, while the sum is 26.
The spelling of 390121012223 in words is "three hundred ninety billion, one hundred twenty-one million, twelve thousand, two hundred twenty-three".
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