Base | Representation |
---|---|
bin | 111111111100001… |
… | …0010000000001001 |
3 | 12112112001200011010 |
4 | 1333320102000021 |
5 | 13343214211413 |
6 | 552520354133 |
7 | 104111053050 |
oct | 17770220011 |
9 | 5475050133 |
10 | 2145460233 |
11 | a01069034 |
12 | 4ba615949 |
13 | 282646ac7 |
14 | 164d21397 |
15 | c8546dc3 |
hex | 7fe12009 |
2145460233 has 32 divisors (see below), whose sum is σ = 3308032000. Its totient is φ = 1211495616.
The previous prime is 2145460211. The next prime is 2145460237. The reversal of 2145460233 is 3320645412.
It is not a de Polignac number, because 2145460233 - 25 = 2145460201 is a prime.
It is a super-2 number, since 2×21454602332 = 9205999222768828578, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 2145460233.
It is not an unprimeable number, because it can be changed into a prime (2145460237) 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, 1532868 + ... + 1534266.
It is an arithmetic number, because the mean of its divisors is an integer number (103376000).
Almost surely, 22145460233 is an apocalyptic number.
It is an amenable number.
2145460233 is a deficient number, since it is larger than the sum of its proper divisors (1162571767).
2145460233 is a wasteful number, since it uses less digits than its factorization.
2145460233 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2221.
The product of its (nonzero) digits is 17280, while the sum is 30.
The square root of 2145460233 is about 46319.1130420262. The cubic root of 2145460233 is about 1289.7538205789.
The spelling of 2145460233 in words is "two billion, one hundred forty-five million, four hundred sixty thousand, two hundred thirty-three".
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