Base | Representation |
---|---|
bin | 1011111010111100… |
… | …11010001100111101 |
3 | 121112000220022021020 |
4 | 11331132122030331 |
5 | 101101410402231 |
6 | 2535024054353 |
7 | 314412606156 |
oct | 57536321475 |
9 | 17460808236 |
10 | 6400090941 |
11 | 2794759062 |
12 | 12a74643b9 |
13 | 7acc3c87a |
14 | 449dd892d |
15 | 276d18396 |
hex | 17d79a33d |
6400090941 has 8 divisors (see below), whose sum is σ = 8538419904. Its totient is φ = 4264244640.
The previous prime is 6400090933. The next prime is 6400090951. The reversal of 6400090941 is 1490900046.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 6400090941 - 23 = 6400090933 is a prime.
It is a super-2 number, since 2×64000909412 = 81922328106140530962, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6400090951) 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, 614641 + ... + 624966.
It is an arithmetic number, because the mean of its divisors is an integer number (1067302488).
Almost surely, 26400090941 is an apocalyptic number.
It is an amenable number.
6400090941 is a deficient number, since it is larger than the sum of its proper divisors (2138328963).
6400090941 is a wasteful number, since it uses less digits than its factorization.
6400090941 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1241331.
The product of its (nonzero) digits is 7776, while the sum is 33.
The square root of 6400090941 is about 80000.5683792309. The cubic root of 6400090941 is about 1856.6443273770.
Adding to 6400090941 its reverse (1490900046), we get a palindrome (7890990987).
The spelling of 6400090941 in words is "six billion, four hundred million, ninety thousand, nine hundred forty-one".
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