Base | Representation |
---|---|
bin | 11010100100001011… |
… | …001111010100101111 |
3 | 2201121220100011221202 |
4 | 122210023033110233 |
5 | 431404144313201 |
6 | 21034232520115 |
7 | 2026566546311 |
oct | 324413172457 |
9 | 81556304852 |
10 | 28524213551 |
11 | 111081a1909 |
12 | 564085003b |
13 | 28c7700092 |
14 | 15484497b1 |
15 | b1e2b3c6b |
hex | 6a42cf52f |
28524213551 has 8 divisors (see below), whose sum is σ = 29446946304. Its totient is φ = 27601643160.
The previous prime is 28524213539. The next prime is 28524213569. The reversal of 28524213551 is 15531242582.
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 28524213551 - 210 = 28524212527 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28524213251) by changing a digit.
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, 388676 + ... + 456198.
It is an arithmetic number, because the mean of its divisors is an integer number (3680868288).
Almost surely, 228524213551 is an apocalyptic number.
28524213551 is a deficient number, since it is larger than the sum of its proper divisors (922732753).
28524213551 is a wasteful number, since it uses less digits than its factorization.
28524213551 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 81181.
The product of its digits is 96000, while the sum is 38.
The spelling of 28524213551 in words is "twenty-eight billion, five hundred twenty-four million, two hundred thirteen thousand, five hundred fifty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •