Base | Representation |
---|---|
bin | 10010101100011111… |
… | …011111111001100011 |
3 | 1220210222102002001100 |
4 | 102230133133321203 |
5 | 312102343314314 |
6 | 13115523205443 |
7 | 1310306355666 |
oct | 225437377143 |
9 | 56728362040 |
10 | 20073807459 |
11 | 8571160722 |
12 | 3a82816883 |
13 | 1b7ba7a4a4 |
14 | d860196dd |
15 | 7c7499c09 |
hex | 4ac7dfe63 |
20073807459 has 24 divisors (see below), whose sum is σ = 29383565120. Its totient is φ = 13204616112.
The previous prime is 20073807431. The next prime is 20073807499. The reversal of 20073807459 is 95470837002.
It is not a de Polignac number, because 20073807459 - 25 = 20073807427 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20073807409) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 154692 + ... + 253134.
Almost surely, 220073807459 is an apocalyptic number.
20073807459 is a deficient number, since it is larger than the sum of its proper divisors (9309757661).
20073807459 is a wasteful number, since it uses less digits than its factorization.
20073807459 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 98751 (or 98748 counting only the distinct ones).
The product of its (nonzero) digits is 423360, while the sum is 45.
The spelling of 20073807459 in words is "twenty billion, seventy-three million, eight hundred seven thousand, four hundred fifty-nine".
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