Base | Representation |
---|---|
bin | 1001010101100000… |
… | …1011110010110101 |
3 | 20110122202100120022 |
4 | 2111120023302311 |
5 | 20113033114244 |
6 | 1052403214525 |
7 | 116050611020 |
oct | 22530136265 |
9 | 6418670508 |
10 | 2506144949 |
11 | 1076720880 |
12 | 59b377445 |
13 | 30c2a1409 |
14 | 19abb01b7 |
15 | ea0416ee |
hex | 9560bcb5 |
2506144949 has 8 divisors (see below), whose sum is σ = 3124544448. Its totient is φ = 1952840160.
The previous prime is 2506144931. The next prime is 2506144957. The reversal of 2506144949 is 9494416052.
2506144949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2506144949 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2506143949) 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, 16273592 + ... + 16273745.
It is an arithmetic number, because the mean of its divisors is an integer number (390568056).
Almost surely, 22506144949 is an apocalyptic number.
It is an amenable number.
2506144949 is a deficient number, since it is larger than the sum of its proper divisors (618399499).
2506144949 is a wasteful number, since it uses less digits than its factorization.
2506144949 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32547355.
The product of its (nonzero) digits is 311040, while the sum is 44.
The square root of 2506144949 is about 50061.4117759378. The cubic root of 2506144949 is about 1358.3198956387.
The spelling of 2506144949 in words is "two billion, five hundred six million, one hundred forty-four thousand, nine hundred forty-nine".
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