Base | Representation |
---|---|
bin | 101110011010001101… |
… | …110010101111101101 |
3 | 11202121212121012120202 |
4 | 232122031302233231 |
5 | 1304023434302440 |
6 | 34520435323245 |
7 | 3412611364013 |
oct | 563215625755 |
9 | 152555535522 |
10 | 49831947245 |
11 | 1a151920583 |
12 | 97a8750525 |
13 | 4911cbcb22 |
14 | 25aa2a68b3 |
15 | 1469c4b615 |
hex | b9a372bed |
49831947245 has 8 divisors (see below), whose sum is σ = 61414508184. Its totient is φ = 38788110144.
The previous prime is 49831947241. The next prime is 49831947247. The reversal of 49831947245 is 54274913894.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 4242437956 + 45589509289 = 65134^2 + 213517^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 49831947245 - 22 = 49831947241 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 (49831947241) 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, 134680754 + ... + 134681123.
It is an arithmetic number, because the mean of its divisors is an integer number (7676813523).
Almost surely, 249831947245 is an apocalyptic number.
It is an amenable number.
49831947245 is a deficient number, since it is larger than the sum of its proper divisors (11582560939).
49831947245 is a wasteful number, since it uses less digits than its factorization.
49831947245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 269361919.
The product of its digits is 8709120, while the sum is 56.
The spelling of 49831947245 in words is "forty-nine billion, eight hundred thirty-one million, nine hundred forty-seven thousand, two hundred forty-five".
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