Base | Representation |
---|---|
bin | 11010101110110111… |
… | …000100011000101001 |
3 | 2202002101122121202121 |
4 | 122232313010120221 |
5 | 432241042201431 |
6 | 21104115031241 |
7 | 2034204341200 |
oct | 325667043051 |
9 | 82071577677 |
10 | 28703475241 |
11 | 1119a3aa871 |
12 | 569089b521 |
13 | 29258a5b9c |
14 | 1564190237 |
15 | b2edc3611 |
hex | 6aedc4629 |
28703475241 has 9 divisors (see below), whose sum is σ = 33391136541. Its totient is φ = 24601962252.
The previous prime is 28703475239. The next prime is 28703475253. The reversal of 28703475241 is 14257430782.
The square root of 28703475241 is 169421.
It is a perfect power (a square), and thus also a powerful number.
It is not a de Polignac number, because 28703475241 - 21 = 28703475239 is a prime.
It is not an unprimeable number, because it can be changed into a prime (28703475221) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1173846 + ... + 1198048.
Almost surely, 228703475241 is an apocalyptic number.
28703475241 is the 169421-st square number.
28703475241 is the 84711-st centered octagonal number.
It is an amenable number.
28703475241 is a deficient number, since it is larger than the sum of its proper divisors (4687661300).
28703475241 is an frugal number, since it uses more digits than its factorization.
28703475241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48420 (or 24210 counting only the distinct ones).
The product of its (nonzero) digits is 376320, while the sum is 43.
The spelling of 28703475241 in words is "twenty-eight billion, seven hundred three million, four hundred seventy-five thousand, two hundred forty-one".
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