Base | Representation |
---|---|
bin | 11100101110101100… |
… | …10110011011100111 |
3 | 1110210221012111201010 |
4 | 32113112112123213 |
5 | 223042033324201 |
6 | 11030304233303 |
7 | 1054136601330 |
oct | 162726263347 |
9 | 43727174633 |
10 | 15424120551 |
11 | 65a5572074 |
12 | 2ba560b833 |
13 | 15ba684468 |
14 | a646a7287 |
15 | 60418ebd6 |
hex | 3975966e7 |
15424120551 has 32 divisors (see below), whose sum is σ = 25188185088. Its totient is φ = 8202712320.
The previous prime is 15424120549. The next prime is 15424120559. The reversal of 15424120551 is 15502142451.
It is not a de Polignac number, because 15424120551 - 21 = 15424120549 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15424120559) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 413670 + ... + 449411.
It is an arithmetic number, because the mean of its divisors is an integer number (787130784).
Almost surely, 215424120551 is an apocalyptic number.
15424120551 is a deficient number, since it is larger than the sum of its proper divisors (9764064537).
15424120551 is a wasteful number, since it uses less digits than its factorization.
15424120551 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 863151.
The product of its (nonzero) digits is 8000, while the sum is 30.
The spelling of 15424120551 in words is "fifteen billion, four hundred twenty-four million, one hundred twenty thousand, five hundred fifty-one".
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