Base | Representation |
---|---|
bin | 11010011000001100… |
… | …001110010110111111 |
3 | 2201002212222211221222 |
4 | 122120030032112333 |
5 | 431001211121101 |
6 | 21002251143555 |
7 | 2021605522130 |
oct | 323014162677 |
9 | 81085884858 |
10 | 28323145151 |
11 | 1101474a184 |
12 | 55a5444bbb |
13 | 2894b606b2 |
14 | 1529869c87 |
15 | b0b7e801b |
hex | 69830e5bf |
28323145151 has 8 divisors (see below), whose sum is σ = 32375076000. Its totient is φ = 24272656128.
The previous prime is 28323145129. The next prime is 28323145153. The reversal of 28323145151 is 15154132382.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 28323145151 - 226 = 28256036287 is a prime.
It is a super-2 number, since 2×283231451512 (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 (28323145153) 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, 318026 + ... + 397223.
It is an arithmetic number, because the mean of its divisors is an integer number (4046884500).
Almost surely, 228323145151 is an apocalyptic number.
28323145151 is a deficient number, since it is larger than the sum of its proper divisors (4051930849).
28323145151 is an equidigital number, since it uses as much as digits as its factorization.
28323145151 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 720913.
The product of its digits is 28800, while the sum is 35.
The spelling of 28323145151 in words is "twenty-eight billion, three hundred twenty-three million, one hundred forty-five thousand, one hundred fifty-one".
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