Base | Representation |
---|---|
bin | 1011011100010101111… |
… | …01110001010011011001 |
3 | 1101120211221020211200222 |
4 | 11232022331301103121 |
5 | 22420204402104343 |
6 | 500342120005425 |
7 | 40256130242255 |
oct | 5561275612331 |
9 | 1346757224628 |
10 | 393173472473 |
11 | 1418201a2211 |
12 | 64249000875 |
13 | 2b0cb262142 |
14 | 1505b6c1265 |
15 | a362448a68 |
hex | 5b8af714d9 |
393173472473 has 4 divisors (see below), whose sum is σ = 393447844788. Its totient is φ = 392899100160.
The previous prime is 393173472451. The next prime is 393173472529. The reversal of 393173472473 is 374274371393.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 374274371393 = 13 ⋅28790336261.
It can be written as a sum of positive squares in 2 ways, for example, as 158541737929 + 234631734544 = 398173^2 + 484388^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-393173472473 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (393173471473) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137184008 + ... + 137186873.
It is an arithmetic number, because the mean of its divisors is an integer number (98361961197).
Almost surely, 2393173472473 is an apocalyptic number.
It is an amenable number.
393173472473 is a deficient number, since it is larger than the sum of its proper divisors (274372315).
393173472473 is a wasteful number, since it uses less digits than its factorization.
393173472473 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 274372314.
The product of its digits is 8001504, while the sum is 53.
The spelling of 393173472473 in words is "three hundred ninety-three billion, one hundred seventy-three million, four hundred seventy-two thousand, four hundred seventy-three".
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