Base | Representation |
---|---|
bin | 1101000100001101000001… |
… | …00100100010000101011111 |
3 | 10202201201121200021011120211 |
4 | 12202012200210202011133 |
5 | 12231220040411034203 |
6 | 141035101415153251 |
7 | 6023541025631362 |
oct | 642064044420537 |
9 | 122651550234524 |
10 | 28731730174303 |
11 | 9178070715512 |
12 | 328049a375827 |
13 | 130550ccbc8a0 |
14 | 7148a1d480d9 |
15 | 34c5a1841c6d |
hex | 1a21a092215f |
28731730174303 has 32 divisors (see below), whose sum is σ = 32807712692160. Its totient is φ = 24926671779840.
The previous prime is 28731730174267. The next prime is 28731730174307. The reversal of 28731730174303 is 30347103713782.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-28731730174303 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28731730174307) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 671484676 + ... + 671527462.
It is an arithmetic number, because the mean of its divisors is an integer number (1025241021630).
Almost surely, 228731730174303 is an apocalyptic number.
28731730174303 is a deficient number, since it is larger than the sum of its proper divisors (4075982517857).
28731730174303 is a wasteful number, since it uses less digits than its factorization.
28731730174303 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46987.
The product of its (nonzero) digits is 1778112, while the sum is 49.
The spelling of 28731730174303 in words is "twenty-eight trillion, seven hundred thirty-one billion, seven hundred thirty million, one hundred seventy-four thousand, three hundred three".
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