Base | Representation |
---|---|
bin | 10011000100001111… |
… | …110001101101011000 |
3 | 1221211202022120221110 |
4 | 103010033301231120 |
5 | 313411404324123 |
6 | 13223241140320 |
7 | 1323216004242 |
oct | 230417615530 |
9 | 57752276843 |
10 | 20472339288 |
11 | 8756113575 |
12 | 3b7418a6a0 |
13 | 1c134c673b |
14 | dc2d1b092 |
15 | 7ec46d493 |
hex | 4c43f1b58 |
20472339288 has 32 divisors (see below), whose sum is σ = 51440661360. Its totient is φ = 6789471360.
The previous prime is 20472339287. The next prime is 20472339311. The reversal of 20472339288 is 88293327402.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20472339281) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2160283 + ... + 2169738.
Almost surely, 220472339288 is an apocalyptic number.
It is an amenable number.
20472339288 is an abundant number, since it is smaller than the sum of its proper divisors (30968322072).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20472339288 is a wasteful number, since it uses less digits than its factorization.
20472339288 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4330227 (or 4330223 counting only the distinct ones).
The product of its (nonzero) digits is 1161216, while the sum is 48.
The spelling of 20472339288 in words is "twenty billion, four hundred seventy-two million, three hundred thirty-nine thousand, two hundred eighty-eight".
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