Base | Representation |
---|---|
bin | 1000000000011011… |
… | …1001000111110000 |
3 | 12112210021021021010 |
4 | 2000012321013300 |
5 | 13400204243410 |
6 | 553134430520 |
7 | 104155445001 |
oct | 20006710760 |
9 | 5483237233 |
10 | 2149290480 |
11 | a03244827 |
12 | 4bb962440 |
13 | 28338831c |
14 | 16563b1a8 |
15 | c8a51c20 |
hex | 801b91f0 |
2149290480 has 80 divisors (see below), whose sum is σ = 6692321664. Its totient is φ = 570604800.
The previous prime is 2149290461. The next prime is 2149290497. The reversal of 2149290480 is 840929412.
It is a tau number, because it is divible by the number of its divisors (80).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34755 + ... + 74205.
Almost surely, 22149290480 is an apocalyptic number.
2149290480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2149290480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3346160832).
2149290480 is an abundant number, since it is smaller than the sum of its proper divisors (4543031184).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2149290480 is a wasteful number, since it uses less digits than its factorization.
2149290480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39694 (or 39688 counting only the distinct ones).
The product of its (nonzero) digits is 41472, while the sum is 39.
The square root of 2149290480 is about 46360.4408952288. The cubic root of 2149290480 is about 1290.5208881343.
The spelling of 2149290480 in words is "two billion, one hundred forty-nine million, two hundred ninety thousand, four hundred eighty".
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