Base | Representation |
---|---|
bin | 1011111010111100… |
… | …10001010010000001 |
3 | 121112000211110010220 |
4 | 11331132101102001 |
5 | 101101403220101 |
6 | 2535023213253 |
7 | 314412364506 |
oct | 57536212201 |
9 | 17460743126 |
10 | 6400054401 |
11 | 2794733664 |
12 | 12a7447229 |
13 | 7acc29050 |
14 | 449dc94ad |
15 | 276d0c636 |
hex | 17d791481 |
6400054401 has 8 divisors (see below), whose sum is σ = 9189821760. Its totient is φ = 3938494992.
The previous prime is 6400054369. The next prime is 6400054421. The reversal of 6400054401 is 1044500046.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 6400054401 - 25 = 6400054369 is a prime.
It is not an unprimeable number, because it can be changed into a prime (6400054421) 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, 82051941 + ... + 82052018.
It is an arithmetic number, because the mean of its divisors is an integer number (1148727720).
Almost surely, 26400054401 is an apocalyptic number.
It is an amenable number.
6400054401 is a deficient number, since it is larger than the sum of its proper divisors (2789767359).
6400054401 is a wasteful number, since it uses less digits than its factorization.
6400054401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 164103975.
The product of its (nonzero) digits is 1920, while the sum is 24.
The square root of 6400054401 is about 80000.3400055275. The cubic root of 6400054401 is about 1856.6407939943.
Adding to 6400054401 its reverse (1044500046), we get a palindrome (7444554447).
The spelling of 6400054401 in words is "six billion, four hundred million, fifty-four thousand, four hundred one".
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