Base | Representation |
---|---|
bin | 1110010010010110000… |
… | …1000001100011111111 |
3 | 212110112022110102001101 |
4 | 3210211201001203333 |
5 | 13010131243100030 |
6 | 304431005353531 |
7 | 23506203152365 |
oct | 3444541014377 |
9 | 773468412041 |
10 | 245442550015 |
11 | 95100a14663 |
12 | 3b69a2688a7 |
13 | 1a1b6b1c020 |
14 | bc4542d635 |
15 | 65b7b7d7ca |
hex | 39258418ff |
245442550015 has 32 divisors (see below), whose sum is σ = 318670777152. Its totient is φ = 180403200000.
The previous prime is 245442550013. The next prime is 245442550079. The reversal of 245442550015 is 510055244542.
245442550015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 245442550015 - 21 = 245442550013 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (245442550013) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28400095 + ... + 28408735.
It is an arithmetic number, because the mean of its divisors is an integer number (9958461786).
Almost surely, 2245442550015 is an apocalyptic number.
245442550015 is a deficient number, since it is larger than the sum of its proper divisors (73228227137).
245442550015 is a wasteful number, since it uses less digits than its factorization.
245442550015 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10651.
The product of its (nonzero) digits is 160000, while the sum is 37.
Adding to 245442550015 its reverse (510055244542), we get a palindrome (755497794557).
The spelling of 245442550015 in words is "two hundred forty-five billion, four hundred forty-two million, five hundred fifty thousand, fifteen".
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