Base | Representation |
---|---|
bin | 11001001110010110… |
… | …01011100011010111 |
3 | 1021221202221012111212 |
4 | 30213023023203113 |
5 | 210213242103330 |
6 | 10115435052035 |
7 | 656405220005 |
oct | 144713134327 |
9 | 37852835455 |
10 | 13542144215 |
11 | 581a207426 |
12 | 275b2a101b |
13 | 137a7c15b2 |
14 | 926771a75 |
15 | 543d42295 |
hex | 3272cb8d7 |
13542144215 has 8 divisors (see below), whose sum is σ = 16557187968. Its totient is φ = 10629305440.
The previous prime is 13542144199. The next prime is 13542144269. The reversal of 13542144215 is 51244124531.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13542144215 - 24 = 13542144199 is a prime.
It is a Duffinian number.
It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 25550951 + ... + 25551480.
It is an arithmetic number, because the mean of its divisors is an integer number (2069648496).
Almost surely, 213542144215 is an apocalyptic number.
13542144215 is a deficient number, since it is larger than the sum of its proper divisors (3015043753).
13542144215 is an equidigital number, since it uses as much as digits as its factorization.
13542144215 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51102489.
The product of its digits is 19200, while the sum is 32.
Adding to 13542144215 its reverse (51244124531), we get a palindrome (64786268746).
The spelling of 13542144215 in words is "thirteen billion, five hundred forty-two million, one hundred forty-four thousand, two hundred fifteen".
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