Base | Representation |
---|---|
bin | 10010101011010100… |
… | …110100110011111011 |
3 | 1220202121120120000000 |
4 | 102223110310303323 |
5 | 312032340413230 |
6 | 13113543444043 |
7 | 1306651106415 |
oct | 225324646373 |
9 | 56677516000 |
10 | 20054232315 |
11 | 8561100617 |
12 | 3a78156623 |
13 | 1b779b5570 |
14 | d835a19b5 |
15 | 7c58ceb60 |
hex | 4ab534cfb |
20054232315 has 64 divisors (see below), whose sum is σ = 38868708480. Its totient is φ = 9872782848.
The previous prime is 20054232313. The next prime is 20054232329. The reversal of 20054232315 is 51323245002.
It is a happy number.
20054232315 is a `hidden beast` number, since 2 + 0 + 0 + 5 + 423 + 231 + 5 = 666.
It is not a de Polignac number, because 20054232315 - 21 = 20054232313 is a prime.
It is a super-3 number, since 3×200542323153 (a number of 32 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (20054232313) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 71619 + ... + 212691.
It is an arithmetic number, because the mean of its divisors is an integer number (607323570).
Almost surely, 220054232315 is an apocalyptic number.
20054232315 is a deficient number, since it is larger than the sum of its proper divisors (18814476165).
20054232315 is an equidigital number, since it uses as much as digits as its factorization.
20054232315 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 141112 (or 141094 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 27.
Adding to 20054232315 its reverse (51323245002), we get a palindrome (71377477317).
The spelling of 20054232315 in words is "twenty billion, fifty-four million, two hundred thirty-two thousand, three hundred fifteen".
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