Base | Representation |
---|---|
bin | 11100101100010011… |
… | …01101100000110001 |
3 | 1110202112101210122200 |
4 | 32112021231200301 |
5 | 223021412430001 |
6 | 11024305453413 |
7 | 1053504044313 |
oct | 162611554061 |
9 | 43675353580 |
10 | 15404030001 |
11 | 659519a808 |
12 | 2b9a941269 |
13 | 15b646ba69 |
14 | a61b577b3 |
15 | 602522086 |
hex | 39626d831 |
15404030001 has 24 divisors (see below), whose sum is σ = 22578969504. Its totient is φ = 10118580480.
The previous prime is 15404029997. The next prime is 15404030003. The reversal of 15404030001 is 10003040451.
It is a happy number.
It is not a de Polignac number, because 15404030001 - 22 = 15404029997 is a prime.
It is not an unprimeable number, because it can be changed into a prime (15404030003) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 159306 + ... + 237036.
It is an arithmetic number, because the mean of its divisors is an integer number (940790396).
Almost surely, 215404030001 is an apocalyptic number.
It is an amenable number.
15404030001 is a deficient number, since it is larger than the sum of its proper divisors (7174939503).
15404030001 is a wasteful number, since it uses less digits than its factorization.
15404030001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 78061 (or 78058 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
Adding to 15404030001 its reverse (10003040451), we get a palindrome (25407070452).
It can be divided in two parts, 154040 and 30001, that added together give a square (184041 = 4292).
The spelling of 15404030001 in words is "fifteen billion, four hundred four million, thirty thousand, one".
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