Base | Representation |
---|---|
bin | 111111111011110… |
… | …1011011000100100 |
3 | 12112111202122011120 |
4 | 1333313223120210 |
5 | 13343144131202 |
6 | 552513133540 |
7 | 104106523635 |
oct | 17767533044 |
9 | 5474678146 |
10 | 2145302052 |
11 | a00a70203 |
12 | 4ba55a2b0 |
13 | 2825bcaca |
14 | 164cbd88c |
15 | c85150bc |
hex | 7fdeb624 |
2145302052 has 48 divisors (see below), whose sum is σ = 5220536832. Its totient is φ = 684887040.
The previous prime is 2145302039. The next prime is 2145302053. The reversal of 2145302052 is 2502035412.
It is not an unprimeable number, because it can be changed into a prime (2145302053) 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, 6358 + ... + 65810.
It is an arithmetic number, because the mean of its divisors is an integer number (108761184).
Almost surely, 22145302052 is an apocalyptic number.
It is an amenable number.
2145302052 is an abundant number, since it is smaller than the sum of its proper divisors (3075234780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2145302052 is a wasteful number, since it uses less digits than its factorization.
2145302052 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 59588 (or 59586 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 24.
The square root of 2145302052 is about 46317.4054972858. The cubic root of 2145302052 is about 1289.7221227082.
Adding to 2145302052 its reverse (2502035412), we get a palindrome (4647337464).
The spelling of 2145302052 in words is "two billion, one hundred forty-five million, three hundred two thousand, fifty-two".
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