Base | Representation |
---|---|
bin | 10010110110010010… |
… | …000010110010100011 |
3 | 1221020102110120220120 |
4 | 102312102002302203 |
5 | 312421420140030 |
6 | 13144111411323 |
7 | 1314342415362 |
oct | 226622026243 |
9 | 57212416816 |
10 | 20238052515 |
11 | 864594243a |
12 | 3b09823b43 |
13 | 1ba6ac6205 |
14 | d9db717d9 |
15 | 7d6ae0010 |
hex | 4b6482ca3 |
20238052515 has 8 divisors (see below), whose sum is σ = 32380884048. Its totient is φ = 10793628000.
The previous prime is 20238052463. The next prime is 20238052531. The reversal of 20238052515 is 51525083202.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20238052515 - 26 = 20238052451 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 674601736 + ... + 674601765.
It is an arithmetic number, because the mean of its divisors is an integer number (4047610506).
Almost surely, 220238052515 is an apocalyptic number.
20238052515 is a deficient number, since it is larger than the sum of its proper divisors (12142831533).
20238052515 is a wasteful number, since it uses less digits than its factorization.
20238052515 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1349203509.
The product of its (nonzero) digits is 24000, while the sum is 33.
The spelling of 20238052515 in words is "twenty billion, two hundred thirty-eight million, fifty-two thousand, five hundred fifteen".
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