Base | Representation |
---|---|
bin | 111111111011111… |
… | …1011100110000000 |
3 | 12112111220000020200 |
4 | 1333313323212000 |
5 | 13343203242243 |
6 | 552514405200 |
7 | 104110221336 |
oct | 17767734600 |
9 | 5474800220 |
10 | 2145368448 |
11 | a01006083 |
12 | 4ba590800 |
13 | 2826140b2 |
14 | 164cd9b56 |
15 | c8529ad3 |
hex | 7fdfb980 |
2145368448 has 96 divisors (see below), whose sum is σ = 6536729160. Its totient is φ = 673050624.
The previous prime is 2145368441. The next prime is 2145368471. The reversal of 2145368448 is 8448635412.
2145368448 is a `hidden beast` number, since 2 + 145 + 3 + 68 + 448 = 666.
It is a tau number, because it is divible by the number of its divisors (96).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2145368441) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35190 + ... + 74357.
Almost surely, 22145368448 is an apocalyptic number.
It is an amenable number.
2145368448 is an abundant number, since it is smaller than the sum of its proper divisors (4391360712).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2145368448 is a wasteful number, since it uses less digits than its factorization.
2145368448 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 109584 (or 109569 counting only the distinct ones).
The product of its digits is 737280, while the sum is 45.
The square root of 2145368448 is about 46318.1222417317. The cubic root of 2145368448 is about 1289.7354279841.
The spelling of 2145368448 in words is "two billion, one hundred forty-five million, three hundred sixty-eight thousand, four hundred forty-eight".
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