Base | Representation |
---|---|
bin | 101111111111010010… |
… | …0001011001001011011 |
3 | 100212000002102201021020 |
4 | 1133332210023021123 |
5 | 3142024104043030 |
6 | 115202021213523 |
7 | 10305542160312 |
oct | 1377644131133 |
9 | 325002381236 |
10 | 103055143515 |
11 | 3a783a3a6a5 |
12 | 17b80b612a3 |
13 | 994476057c |
14 | 4db8add279 |
15 | 2a32572510 |
hex | 17fe90b25b |
103055143515 has 8 divisors (see below), whose sum is σ = 164888229648. Its totient is φ = 54962743200.
The previous prime is 103055143507. The next prime is 103055143519. The reversal of 103055143515 is 515341550301.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 103055143515 - 23 = 103055143507 is a prime.
It is not an unprimeable number, because it can be changed into a prime (103055143519) 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, 3435171436 + ... + 3435171465.
It is an arithmetic number, because the mean of its divisors is an integer number (20611028706).
Almost surely, 2103055143515 is an apocalyptic number.
103055143515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
103055143515 is a deficient number, since it is larger than the sum of its proper divisors (61833086133).
103055143515 is an equidigital number, since it uses as much as digits as its factorization.
103055143515 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6870342909.
The product of its (nonzero) digits is 22500, while the sum is 33.
Adding to 103055143515 its reverse (515341550301), we get a palindrome (618396693816).
The spelling of 103055143515 in words is "one hundred three billion, fifty-five million, one hundred forty-three thousand, five hundred fifteen".
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