Base | Representation |
---|---|
bin | 10010111010000101… |
… | …100111111001001100 |
3 | 1221101212121122201100 |
4 | 102322011213321030 |
5 | 313034241433414 |
6 | 13154312143100 |
7 | 1316046230550 |
oct | 227205477114 |
9 | 57355548640 |
10 | 20301905484 |
11 | 8678995093 |
12 | 3b27097a90 |
13 | 1bb70c1b33 |
14 | da8433860 |
15 | 7dc504609 |
hex | 4ba167e4c |
20301905484 has 36 divisors (see below), whose sum is σ = 58649949904. Its totient is φ = 5800544352.
The previous prime is 20301905471. The next prime is 20301905521. The reversal of 20301905484 is 48450910302.
20301905484 is a `hidden beast` number, since 20 + 3 + 0 + 1 + 90 + 548 + 4 = 666.
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40281307 + ... + 40281810.
Almost surely, 220301905484 is an apocalyptic number.
It is an amenable number.
20301905484 is an abundant number, since it is smaller than the sum of its proper divisors (38348044420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20301905484 is a wasteful number, since it uses less digits than its factorization.
20301905484 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80563134 (or 80563129 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 36.
The spelling of 20301905484 in words is "twenty billion, three hundred one million, nine hundred five thousand, four hundred eighty-four".
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