Base | Representation |
---|---|
bin | 10010101000010101… |
… | …010010111011000101 |
3 | 1220122010002201010222 |
4 | 102220111102323011 |
5 | 311432012232010 |
6 | 13104551354125 |
7 | 1305501253460 |
oct | 225025227305 |
9 | 56563081128 |
10 | 20004024005 |
11 | 8535828349 |
12 | 3a63382945 |
13 | 1b6a4863c4 |
14 | d7aa522d7 |
15 | 7c12b3355 |
hex | 4a8552ec5 |
20004024005 has 16 divisors (see below), whose sum is σ = 27436993920. Its totient is φ = 13715593152.
The previous prime is 20004023969. The next prime is 20004024031. The reversal of 20004024005 is 50042040002.
It is a cyclic number.
It is not a de Polignac number, because 20004024005 - 220 = 20002975429 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 385706 + ... + 434484.
It is an arithmetic number, because the mean of its divisors is an integer number (1714812120).
Almost surely, 220004024005 is an apocalyptic number.
It is an amenable number.
20004024005 is a deficient number, since it is larger than the sum of its proper divisors (7432969915).
20004024005 is a wasteful number, since it uses less digits than its factorization.
20004024005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60508.
The product of its (nonzero) digits is 320, while the sum is 17.
Adding to 20004024005 its reverse (50042040002), we get a palindrome (70046064007).
The spelling of 20004024005 in words is "twenty billion, four million, twenty-four thousand, five".
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