Base | Representation |
---|---|
bin | 1011010110111101101… |
… | …10101001110110011111 |
3 | 1101022101200211021022120 |
4 | 11223132312221312133 |
5 | 22343301144111131 |
6 | 455143405514023 |
7 | 40124435426646 |
oct | 5533666516637 |
9 | 1338350737276 |
10 | 390285925791 |
11 | 1405792596a3 |
12 | 63781b72913 |
13 | 2aa5ac61838 |
14 | 14c65dcc35d |
15 | a243bb9496 |
hex | 5adeda9d9f |
390285925791 has 8 divisors (see below), whose sum is σ = 528912074544. Its totient is φ = 255925197120.
The previous prime is 390285925781. The next prime is 390285925849. The reversal of 390285925791 is 197529582093.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 390285925791 - 27 = 390285925663 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (390285925741) 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, 1066354806 + ... + 1066355171.
It is an arithmetic number, because the mean of its divisors is an integer number (66114009318).
Almost surely, 2390285925791 is an apocalyptic number.
390285925791 is a deficient number, since it is larger than the sum of its proper divisors (138626148753).
390285925791 is a wasteful number, since it uses less digits than its factorization.
390285925791 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2132710041.
The product of its (nonzero) digits is 12247200, while the sum is 60.
The spelling of 390285925791 in words is "three hundred ninety billion, two hundred eighty-five million, nine hundred twenty-five thousand, seven hundred ninety-one".
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