Base | Representation |
---|---|
bin | 11010011001001110… |
… | …100000100010111111 |
3 | 2201011002200122100112 |
4 | 122121032200202333 |
5 | 431020133134101 |
6 | 21004111420235 |
7 | 2022206312045 |
oct | 323116404277 |
9 | 81132618315 |
10 | 28340521151 |
11 | 11023538008 |
12 | 55ab22467b |
13 | 2898635657 |
14 | 152bcb0395 |
15 | b0d0cb6bb |
hex | 6993a08bf |
28340521151 has 8 divisors (see below), whose sum is σ = 28783036464. Its totient is φ = 27898580160.
The previous prime is 28340521123. The next prime is 28340521217. The reversal of 28340521151 is 15112504382.
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 28340521151 - 226 = 28273412287 is a prime.
It is a super-2 number, since 2×283405211512 (a number of 22 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 (28340521351) 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, 43580 + ... + 242033.
It is an arithmetic number, because the mean of its divisors is an integer number (3597879558).
Almost surely, 228340521151 is an apocalyptic number.
28340521151 is a deficient number, since it is larger than the sum of its proper divisors (442515313).
28340521151 is a wasteful number, since it uses less digits than its factorization.
28340521151 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 287161.
The product of its (nonzero) digits is 9600, while the sum is 32.
The spelling of 28340521151 in words is "twenty-eight billion, three hundred forty million, five hundred twenty-one thousand, one hundred fifty-one".
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