Base | Representation |
---|---|
bin | 10010111011100111… |
… | …001010100000101101 |
3 | 1221110122201201211112 |
4 | 102323213022200231 |
5 | 313112313201440 |
6 | 13201024201405 |
7 | 1316506455140 |
oct | 227347124055 |
9 | 57418651745 |
10 | 20327475245 |
11 | 869136a020 |
12 | 3b33769265 |
13 | 1bbc4a547c |
14 | dab9ac057 |
15 | 7de8a5965 |
hex | 4bb9ca82d |
20327475245 has 32 divisors (see below), whose sum is σ = 30828660480. Its totient is φ = 12498071040.
The previous prime is 20327475241. The next prime is 20327475271. The reversal of 20327475245 is 54257472302.
It is not a de Polignac number, because 20327475245 - 22 = 20327475241 is a prime.
It is a Curzon number.
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 31 ways as a sum of consecutive naturals, for example, 333530 + ... + 389739.
It is an arithmetic number, because the mean of its divisors is an integer number (963395640).
Almost surely, 220327475245 is an apocalyptic number.
It is an amenable number.
20327475245 is a deficient number, since it is larger than the sum of its proper divisors (10501185235).
20327475245 is a wasteful number, since it uses less digits than its factorization.
20327475245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 723365.
The product of its (nonzero) digits is 470400, while the sum is 41.
The spelling of 20327475245 in words is "twenty billion, three hundred twenty-seven million, four hundred seventy-five thousand, two hundred forty-five".
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