Base | Representation |
---|---|
bin | 10010111111111101… |
… | …111000111001111111 |
3 | 1221122202012212122010 |
4 | 102333331320321333 |
5 | 313240014310221 |
6 | 13212154222303 |
7 | 1321354511553 |
oct | 227775707177 |
9 | 57582185563 |
10 | 20400541311 |
11 | 87196346a7 |
12 | 3b54124993 |
13 | 1c01678727 |
14 | db758b863 |
15 | 7e5ed9c76 |
hex | 4bff78e7f |
20400541311 has 8 divisors (see below), whose sum is σ = 28383361920. Its totient is φ = 13009040792.
The previous prime is 20400541279. The next prime is 20400541363. The reversal of 20400541311 is 11314500402.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20400541311 - 25 = 20400541279 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20400549311) 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, 147829941 + ... + 147830078.
It is an arithmetic number, because the mean of its divisors is an integer number (3547920240).
Almost surely, 220400541311 is an apocalyptic number.
20400541311 is a deficient number, since it is larger than the sum of its proper divisors (7982820609).
20400541311 is a wasteful number, since it uses less digits than its factorization.
20400541311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 295660045.
The product of its (nonzero) digits is 480, while the sum is 21.
The spelling of 20400541311 in words is "twenty billion, four hundred million, five hundred forty-one thousand, three hundred eleven".
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