Base | Representation |
---|---|
bin | 101101110111110011… |
… | …011010000001011010 |
3 | 11201010122020011202120 |
4 | 231313303122001122 |
5 | 1301333134324030 |
6 | 34343253042110 |
7 | 3362401143111 |
oct | 556763320132 |
9 | 151118204676 |
10 | 49254604890 |
11 | 19985a38737 |
12 | 9667326336 |
13 | 484c4c822a |
14 | 255373ac78 |
15 | 1434207010 |
hex | b77cda05a |
49254604890 has 16 divisors (see below), whose sum is σ = 118211051808. Its totient is φ = 13134561296.
The previous prime is 49254604873. The next prime is 49254604891. The reversal of 49254604890 is 9840645294.
It is a super-2 number, since 2×492546048902 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (49254604891) 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, 820910052 + ... + 820910111.
It is an arithmetic number, because the mean of its divisors is an integer number (7388190738).
Almost surely, 249254604890 is an apocalyptic number.
49254604890 is an abundant number, since it is smaller than the sum of its proper divisors (68956446918).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49254604890 is a wasteful number, since it uses less digits than its factorization.
49254604890 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1641820173.
The product of its (nonzero) digits is 2488320, while the sum is 51.
The spelling of 49254604890 in words is "forty-nine billion, two hundred fifty-four million, six hundred four thousand, eight hundred ninety".
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