Base | Representation |
---|---|
bin | 10011000110101110… |
… | …110010101001000000 |
3 | 1221221122202101121200 |
4 | 103012232302221000 |
5 | 314003042232000 |
6 | 13231330421200 |
7 | 1324233220101 |
oct | 230656625100 |
9 | 57848671550 |
10 | 20514024000 |
11 | 87776a4948 |
12 | 3b86131800 |
13 | 1c1c030052 |
14 | dc868c3a8 |
15 | 800e54500 |
hex | 4c6bb2a40 |
20514024000 has 168 divisors, whose sum is σ = 73382340408. Its totient is φ = 5470387200.
The previous prime is 20514023963. The next prime is 20514024007. The reversal of 20514024000 is 42041502.
It can be written as a sum of positive squares in 4 ways, for example, as 1090584576 + 19423439424 = 33024^2 + 139368^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (20514024007) 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, 70459 + ... + 214458.
Almost surely, 220514024000 is an apocalyptic number.
20514024000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20514024000 is an abundant number, since it is smaller than the sum of its proper divisors (52868316408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20514024000 is a wasteful number, since it uses less digits than its factorization.
20514024000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 284950 (or 284927 counting only the distinct ones).
The product of its (nonzero) digits is 320, while the sum is 18.
Adding to 20514024000 its reverse (42041502), we get a palindrome (20556065502).
The spelling of 20514024000 in words is "twenty billion, five hundred fourteen million, twenty-four thousand".
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