Base | Representation |
---|---|
bin | 1000010011111101… |
… | …1001011011111000 |
3 | 12202111102022010220 |
4 | 2010333121123320 |
5 | 14032142234033 |
6 | 1005222340040 |
7 | 106201662402 |
oct | 20477313370 |
9 | 5674368126 |
10 | 2231211768 |
11 | a45508475 |
12 | 52328a620 |
13 | 29733c066 |
14 | 172483b72 |
15 | d0d34bb3 |
hex | 84fd96f8 |
2231211768 has 16 divisors (see below), whose sum is σ = 5578029480. Its totient is φ = 743737248.
The previous prime is 2231211739. The next prime is 2231211769. The reversal of 2231211768 is 8671121322.
It is a super-3 number, since 3×22312117683 (a number of 29 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2231211769) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46483555 + ... + 46483602.
Almost surely, 22231211768 is an apocalyptic number.
It is an amenable number.
2231211768 is an abundant number, since it is smaller than the sum of its proper divisors (3346817712).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2231211768 is a wasteful number, since it uses less digits than its factorization.
2231211768 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 92967166 (or 92967162 counting only the distinct ones).
The product of its digits is 8064, while the sum is 33.
The square root of 2231211768 is about 47235.7043770917. The cubic root of 2231211768 is about 1306.7131570413.
The spelling of 2231211768 in words is "two billion, two hundred thirty-one million, two hundred eleven thousand, seven hundred sixty-eight".
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