Base | Representation |
---|---|
bin | 11100011000100101… |
… | …01110001110010011 |
3 | 1110100000011002212020 |
4 | 32030102232032103 |
5 | 222202041320201 |
6 | 11000040302523 |
7 | 1046425063464 |
oct | 161422561623 |
9 | 43300132766 |
10 | 15238620051 |
11 | 650a892876 |
12 | 2b53471a43 |
13 | 158b105a55 |
14 | a47bbad6b |
15 | 5e2c4ba36 |
hex | 38c4ae393 |
15238620051 has 8 divisors (see below), whose sum is σ = 20430415824. Its totient is φ = 10102952160.
The previous prime is 15238620043. The next prime is 15238620079. The reversal of 15238620051 is 15002683251.
15238620051 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 not a de Polignac number, because 15238620051 - 23 = 15238620043 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 15238619994 and 15238620021.
It is not an unprimeable number, because it can be changed into a prime (15238620151) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14031336 + ... + 14032421.
It is an arithmetic number, because the mean of its divisors is an integer number (2553801978).
Almost surely, 215238620051 is an apocalyptic number.
15238620051 is a deficient number, since it is larger than the sum of its proper divisors (5191795773).
15238620051 is a wasteful number, since it uses less digits than its factorization.
15238620051 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28063941.
The product of its (nonzero) digits is 14400, while the sum is 33.
The spelling of 15238620051 in words is "fifteen billion, two hundred thirty-eight million, six hundred twenty thousand, fifty-one".
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