Base | Representation |
---|---|
bin | 10010111111100000… |
… | …101001100011111100 |
3 | 1221122012210110012020 |
4 | 102333200221203330 |
5 | 313231034020114 |
6 | 13211322040140 |
7 | 1321232405544 |
oct | 227740514374 |
9 | 57565713166 |
10 | 20392876284 |
11 | 8715279870 |
12 | 3b51649050 |
13 | 1bccbc3901 |
14 | db6554324 |
15 | 7e54c3aa9 |
hex | 4bf8298fc |
20392876284 has 48 divisors (see below), whose sum is σ = 52096630656. Its totient is φ = 6157339200.
The previous prime is 20392876277. The next prime is 20392876313. The reversal of 20392876284 is 48267829302.
It is a happy number.
It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 242302 + ... + 315429.
It is an arithmetic number, because the mean of its divisors is an integer number (1085346472).
Almost surely, 220392876284 is an apocalyptic number.
It is an amenable number.
20392876284 is an abundant number, since it is smaller than the sum of its proper divisors (31703754372).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20392876284 is a wasteful number, since it uses less digits than its factorization.
20392876284 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 558026 (or 558024 counting only the distinct ones).
The product of its (nonzero) digits is 2322432, while the sum is 51.
The spelling of 20392876284 in words is "twenty billion, three hundred ninety-two million, eight hundred seventy-six thousand, two hundred eighty-four".
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