Base | Representation |
---|---|
bin | 10010111011100111… |
… | …001010100000101110 |
3 | 1221110122201201211120 |
4 | 102323213022200232 |
5 | 313112313201441 |
6 | 13201024201410 |
7 | 1316506455141 |
oct | 227347124056 |
9 | 57418651746 |
10 | 20327475246 |
11 | 869136a021 |
12 | 3b33769266 |
13 | 1bbc4a5480 |
14 | dab9ac058 |
15 | 7de8a5966 |
hex | 4bb9ca82e |
20327475246 has 32 divisors (see below), whose sum is σ = 46357684128. Its totient is φ = 5886689280.
The previous prime is 20327475241. The next prime is 20327475271. The reversal of 20327475246 is 64257472302.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 20327475198 and 20327475207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20327475241) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7663635 + ... + 7666286.
It is an arithmetic number, because the mean of its divisors is an integer number (1448677629).
Almost surely, 220327475246 is an apocalyptic number.
20327475246 is a gapful number since it is divisible by the number (26) formed by its first and last digit.
20327475246 is an abundant number, since it is smaller than the sum of its proper divisors (26030208882).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20327475246 is a wasteful number, since it uses less digits than its factorization.
20327475246 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15329956.
The product of its (nonzero) digits is 564480, while the sum is 42.
The spelling of 20327475246 in words is "twenty billion, three hundred twenty-seven million, four hundred seventy-five thousand, two hundred forty-six".
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