Base | Representation |
---|---|
bin | 11010110001000110… |
… | …000100000111101001 |
3 | 2202012000012002012121 |
4 | 122301012010013221 |
5 | 432330141220440 |
6 | 21111534311241 |
7 | 2035141064320 |
oct | 326106040751 |
9 | 82160162177 |
10 | 28740960745 |
11 | 11209583222 |
12 | 56a1358521 |
13 | 293059c063 |
14 | 156914b0b7 |
15 | b3332a34a |
hex | 6b11841e9 |
28740960745 has 16 divisors (see below), whose sum is σ = 39419106048. Its totient is φ = 19706621760.
The previous prime is 28740960713. The next prime is 28740960769. The reversal of 28740960745 is 54706904782.
It is not a de Polignac number, because 28740960745 - 25 = 28740960713 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 28740960692 and 28740960701.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 679147 + ... + 720223.
It is an arithmetic number, because the mean of its divisors is an integer number (2463694128).
Almost surely, 228740960745 is an apocalyptic number.
It is an amenable number.
28740960745 is a deficient number, since it is larger than the sum of its proper divisors (10678145303).
28740960745 is a wasteful number, since it uses less digits than its factorization.
28740960745 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 61080.
The product of its (nonzero) digits is 3386880, while the sum is 52.
The spelling of 28740960745 in words is "twenty-eight billion, seven hundred forty million, nine hundred sixty thousand, seven hundred forty-five".
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