Base | Representation |
---|---|
bin | 10011000000110010… |
… | …000000110100011111 |
3 | 1221200200221001222122 |
4 | 103000302000310133 |
5 | 313302014031330 |
6 | 13213403133155 |
7 | 1321611611165 |
oct | 230062006437 |
9 | 57620831878 |
10 | 20414205215 |
11 | 8726317588 |
12 | 3b588141bb |
13 | 1c04450b91 |
14 | db9307235 |
15 | 7e72d85e5 |
hex | 4c0c80d1f |
20414205215 has 8 divisors (see below), whose sum is σ = 24497865168. Its totient is φ = 16330818240.
The previous prime is 20414205211. The next prime is 20414205221. The reversal of 20414205215 is 51250241402.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20414205215 - 22 = 20414205211 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20414205211) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175304 + ... + 267506.
It is an arithmetic number, because the mean of its divisors is an integer number (3062233146).
Almost surely, 220414205215 is an apocalyptic number.
20414205215 is a deficient number, since it is larger than the sum of its proper divisors (4083659953).
20414205215 is an equidigital number, since it uses as much as digits as its factorization.
20414205215 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 136489.
The product of its (nonzero) digits is 3200, while the sum is 26.
Adding to 20414205215 its reverse (51250241402), we get a palindrome (71664446617).
The spelling of 20414205215 in words is "twenty billion, four hundred fourteen million, two hundred five thousand, two hundred fifteen".
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