Base | Representation |
---|---|
bin | 11101001010010001… |
… | …01110011111011001 |
3 | 1111102001110020202122 |
4 | 32211020232133121 |
5 | 224030242230410 |
6 | 11105250111025 |
7 | 1062645650240 |
oct | 164510563731 |
9 | 44361406678 |
10 | 15655430105 |
11 | 670409a397 |
12 | 304ab7b475 |
13 | 1626581813 |
14 | a872b9957 |
15 | 619630e55 |
hex | 3a522e7d9 |
15655430105 has 16 divisors (see below), whose sum is σ = 21521566080. Its totient is φ = 10709521152.
The previous prime is 15655430083. The next prime is 15655430113. The reversal of 15655430105 is 50103455651.
It is a cyclic number.
It is not a de Polignac number, because 15655430105 - 214 = 15655413721 is a prime.
It is a super-2 number, since 2×156554301052 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (35).
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 519104 + ... + 548433.
It is an arithmetic number, because the mean of its divisors is an integer number (1345097880).
Almost surely, 215655430105 is an apocalyptic number.
It is an amenable number.
15655430105 is a deficient number, since it is larger than the sum of its proper divisors (5866135975).
15655430105 is a wasteful number, since it uses less digits than its factorization.
15655430105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1067968.
The product of its (nonzero) digits is 45000, while the sum is 35.
Adding to 15655430105 its reverse (50103455651), we get a palindrome (65758885756).
The spelling of 15655430105 in words is "fifteen billion, six hundred fifty-five million, four hundred thirty thousand, one hundred five".
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