Base | Representation |
---|---|
bin | 11100010111101100… |
… | …01101000011000010 |
3 | 1110022111002021211021 |
4 | 32023312031003002 |
5 | 222143133103010 |
6 | 10555212140054 |
7 | 1046304406006 |
oct | 161366150302 |
9 | 43274067737 |
10 | 15231144130 |
11 | 6506647024 |
12 | 2b50a6762a |
13 | 15896b9027 |
14 | a46bd2706 |
15 | 5e22718da |
hex | 38bd8d0c2 |
15231144130 has 64 divisors (see below), whose sum is σ = 28771200000. Its totient is φ = 5798338560.
The previous prime is 15231144113. The next prime is 15231144133. The reversal of 15231144130 is 3144113251.
It is a junction number, because it is equal to n+sod(n) for n = 15231144095 and 15231144104.
It is not an unprimeable number, because it can be changed into a prime (15231144133) 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, 10160121 + ... + 10161619.
It is an arithmetic number, because the mean of its divisors is an integer number (449550000).
Almost surely, 215231144130 is an apocalyptic number.
15231144130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
15231144130 is a deficient number, since it is larger than the sum of its proper divisors (13540055870).
15231144130 is a wasteful number, since it uses less digits than its factorization.
15231144130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2059.
The product of its (nonzero) digits is 1440, while the sum is 25.
Adding to 15231144130 its reverse (3144113251), we get a palindrome (18375257381).
The spelling of 15231144130 in words is "fifteen billion, two hundred thirty-one million, one hundred forty-four thousand, one hundred thirty".
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