Base | Representation |
---|---|
bin | 10010101001101110… |
… | …001111110001111111 |
3 | 1220200201222101100121 |
4 | 102221232033301333 |
5 | 312003444420301 |
6 | 13111143235411 |
7 | 1306203412021 |
oct | 225156176177 |
9 | 56621871317 |
10 | 20027341951 |
11 | 8547a04481 |
12 | 3a6b148b67 |
13 | 1b7225bac6 |
14 | d7dba2011 |
15 | 7c336c3a1 |
hex | 4a9b8fc7f |
20027341951 has 8 divisors (see below), whose sum is σ = 21090700400. Its totient is φ = 18964912320.
The previous prime is 20027341937. The next prime is 20027341987. The reversal of 20027341951 is 15914372002.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20027341951 - 211 = 20027339903 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 (20027341921) 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, 187716 + ... + 274393.
It is an arithmetic number, because the mean of its divisors is an integer number (2636337550).
Almost surely, 220027341951 is an apocalyptic number.
20027341951 is a deficient number, since it is larger than the sum of its proper divisors (1063358449).
20027341951 is a wasteful number, since it uses less digits than its factorization.
20027341951 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 464409.
The product of its (nonzero) digits is 15120, while the sum is 34.
The spelling of 20027341951 in words is "twenty billion, twenty-seven million, three hundred forty-one thousand, nine hundred fifty-one".
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