Base | Representation |
---|---|
bin | 11100011000110011… |
… | …00011010001110111 |
3 | 1110100010112001112012 |
4 | 32030121203101313 |
5 | 222203021111411 |
6 | 11000142514435 |
7 | 1046446230614 |
oct | 161431432167 |
9 | 43303461465 |
10 | 15240410231 |
11 | 65108a5862 |
12 | 2b53b95a1b |
13 | 158b5b1827 |
14 | a4812550b |
15 | 5e2ea218b |
hex | 38c663477 |
15240410231 has 8 divisors (see below), whose sum is σ = 15399340704. Its totient is φ = 15081902080.
The previous prime is 15240410113. The next prime is 15240410233. The reversal of 15240410231 is 13201404251.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-15240410231 is a prime.
It is a super-2 number, since 2×152404102312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 15240410197 and 15240410206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15240410233) 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, 32771 + ... + 177636.
It is an arithmetic number, because the mean of its divisors is an integer number (1924917588).
Almost surely, 215240410231 is an apocalyptic number.
15240410231 is a deficient number, since it is larger than the sum of its proper divisors (158930473).
15240410231 is a wasteful number, since it uses less digits than its factorization.
15240410231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 211161.
The product of its (nonzero) digits is 960, while the sum is 23.
Adding to 15240410231 its reverse (13201404251), we get a palindrome (28441814482).
The spelling of 15240410231 in words is "fifteen billion, two hundred forty million, four hundred ten thousand, two hundred thirty-one".
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