Base | Representation |
---|---|
bin | 10000101100100111… |
… | …001101100000000001 |
3 | 1201021110100022200001 |
4 | 100230213031200001 |
5 | 243204124024401 |
6 | 12123002400001 |
7 | 1203165265105 |
oct | 205447154001 |
9 | 51243308601 |
10 | 17928345601 |
11 | 76700a1451 |
12 | 3584200001 |
13 | 18c9432a2a |
14 | c210d7905 |
15 | 6ede52601 |
hex | 42c9cd801 |
17928345601 has 4 divisors (see below), whose sum is σ = 18707838912. Its totient is φ = 17148852292.
The previous prime is 17928345593. The next prime is 17928345613. The reversal of 17928345601 is 10654382971.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 17928345601 - 23 = 17928345593 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (17928345691) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 389746621 + ... + 389746666.
It is an arithmetic number, because the mean of its divisors is an integer number (4676959728).
It is a 1-persistent number, because it is pandigital, but 2⋅17928345601 = 35856691202 is not.
Almost surely, 217928345601 is an apocalyptic number.
It is an amenable number.
17928345601 is a deficient number, since it is larger than the sum of its proper divisors (779493311).
17928345601 is an equidigital number, since it uses as much as digits as its factorization.
17928345601 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 779493310.
The product of its (nonzero) digits is 362880, while the sum is 46.
The spelling of 17928345601 in words is "seventeen billion, nine hundred twenty-eight million, three hundred forty-five thousand, six hundred one".
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