Base | Representation |
---|---|
bin | 11100111011100100… |
… | …11110000010000101 |
3 | 1111002110111020010111 |
4 | 32131302132002011 |
5 | 223302212430023 |
6 | 11045123553021 |
7 | 1056621065524 |
oct | 163562360205 |
9 | 44073436114 |
10 | 15532155013 |
11 | 6650550a51 |
12 | 301582b771 |
13 | 1606b7bc8b |
14 | a74b8a4bb |
15 | 60d8d000d |
hex | 39dc9e085 |
15532155013 has 8 divisors (see below), whose sum is σ = 15741789336. Its totient is φ = 15323616000.
The previous prime is 15532155011. The next prime is 15532155053. The reversal of 15532155013 is 31055123551.
15532155013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 11320534404 + 4211620609 = 106398^2 + 64897^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 15532155013 - 21 = 15532155011 is a prime.
It is a super-2 number, since 2×155321550132 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15532155011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245256 + ... + 302017.
It is an arithmetic number, because the mean of its divisors is an integer number (1967723667).
Almost surely, 215532155013 is an apocalyptic number.
It is an amenable number.
15532155013 is a deficient number, since it is larger than the sum of its proper divisors (209634323).
15532155013 is a wasteful number, since it uses less digits than its factorization.
15532155013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 547655.
The product of its (nonzero) digits is 11250, while the sum is 31.
Adding to 15532155013 its reverse (31055123551), we get a palindrome (46587278564).
The spelling of 15532155013 in words is "fifteen billion, five hundred thirty-two million, one hundred fifty-five thousand, thirteen".
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