Base | Representation |
---|---|
bin | 1101010001011010011… |
… | …0111100110000101110 |
3 | 210210112120212222101110 |
4 | 3110112212330300232 |
5 | 12213432204411130 |
6 | 252425244452450 |
7 | 22321235626116 |
oct | 3242646746056 |
9 | 723476788343 |
10 | 228012575790 |
11 | 88777177a8a |
12 | 38234b4a126 |
13 | 18669a20ccc |
14 | b0705c6046 |
15 | 5de7871ab0 |
hex | 35169bcc2e |
228012575790 has 32 divisors (see below), whose sum is σ = 547303464576. Its totient is φ = 60795211040.
The previous prime is 228012575789. The next prime is 228012575797. The reversal of 228012575790 is 97575210822.
It is a super-3 number, since 3×2280125757903 (a number of 35 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (228012575797) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 279456 + ... + 730835.
It is an arithmetic number, because the mean of its divisors is an integer number (17103233268).
Almost surely, 2228012575790 is an apocalyptic number.
228012575790 is an abundant number, since it is smaller than the sum of its proper divisors (319290888786).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
228012575790 is a wasteful number, since it uses less digits than its factorization.
228012575790 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1017824.
The product of its (nonzero) digits is 705600, while the sum is 48.
The spelling of 228012575790 in words is "two hundred twenty-eight billion, twelve million, five hundred seventy-five thousand, seven hundred ninety".
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