Base | Representation |
---|---|
bin | 10010101110110010… |
… | …011011101010000011 |
3 | 1220220122212222112020 |
4 | 102232302123222003 |
5 | 312142223402001 |
6 | 13123420532523 |
7 | 1311254641524 |
oct | 225662335203 |
9 | 56818788466 |
10 | 20112325251 |
11 | 8590979707 |
12 | 3a936b1143 |
13 | 1b86a45495 |
14 | d8b1a484b |
15 | 7caa57736 |
hex | 4aec9ba83 |
20112325251 has 8 divisors (see below), whose sum is σ = 26819702784. Its totient is φ = 13406582280.
The previous prime is 20112325249. The next prime is 20112325291. The reversal of 20112325251 is 15252321102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20112325251 - 21 = 20112325249 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20112325231) 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, 379635 + ... + 429356.
It is an arithmetic number, because the mean of its divisors is an integer number (3352462848).
Almost surely, 220112325251 is an apocalyptic number.
20112325251 is a deficient number, since it is larger than the sum of its proper divisors (6707377533).
20112325251 is an equidigital number, since it uses as much as digits as its factorization.
20112325251 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 817281.
The product of its (nonzero) digits is 1200, while the sum is 24.
Adding to 20112325251 its reverse (15252321102), we get a palindrome (35364646353).
The spelling of 20112325251 in words is "twenty billion, one hundred twelve million, three hundred twenty-five thousand, two hundred fifty-one".
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