Base | Representation |
---|---|
bin | 11010010110110100… |
… | …000110110011110101 |
3 | 2201001021112021021110 |
4 | 122112310012303311 |
5 | 430424302424212 |
6 | 21000104105233 |
7 | 2021205263310 |
oct | 322664066365 |
9 | 81037467243 |
10 | 28300045557 |
11 | 11002702103 |
12 | 5599765219 |
13 | 28901334b4 |
14 | 1526775977 |
15 | b09783a3c |
hex | 696d06cf5 |
28300045557 has 16 divisors (see below), whose sum is σ = 43141842432. Its totient is φ = 16164718320.
The previous prime is 28300045547. The next prime is 28300045603. The reversal of 28300045557 is 75554000382.
It is not a de Polignac number, because 28300045557 - 27 = 28300045429 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28300045547) 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 15 ways as a sum of consecutive naturals, for example, 228843 + ... + 330104.
It is an arithmetic number, because the mean of its divisors is an integer number (2696365152).
Almost surely, 228300045557 is an apocalyptic number.
It is an amenable number.
28300045557 is a deficient number, since it is larger than the sum of its proper divisors (14841796875).
28300045557 is a wasteful number, since it uses less digits than its factorization.
28300045557 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 561368.
The product of its (nonzero) digits is 168000, while the sum is 39.
The spelling of 28300045557 in words is "twenty-eight billion, three hundred million, forty-five thousand, five hundred fifty-seven".
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