Base | Representation |
---|---|
bin | 111111111100000… |
… | …1011110110100101 |
3 | 12112112000101121020 |
4 | 1333320023312211 |
5 | 13343212410140 |
6 | 552520041353 |
7 | 104110616445 |
oct | 17770136645 |
9 | 5475011536 |
10 | 2145435045 |
11 | a01051116 |
12 | 4ba603259 |
13 | 2826384c0 |
14 | 164d16125 |
15 | c853e6d0 |
hex | 7fe0bda5 |
2145435045 has 64 divisors (see below), whose sum is σ = 3796015104. Its totient is φ = 1028240640.
The previous prime is 2145435043. The next prime is 2145435079. The reversal of 2145435045 is 5405345412.
It is not a de Polignac number, because 2145435045 - 21 = 2145435043 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2145434997 and 2145435015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2145435043) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1148202 + ... + 1150068.
It is an arithmetic number, because the mean of its divisors is an integer number (59312736).
Almost surely, 22145435045 is an apocalyptic number.
It is an amenable number.
2145435045 is a deficient number, since it is larger than the sum of its proper divisors (1650580059).
2145435045 is a wasteful number, since it uses less digits than its factorization.
2145435045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2042.
The product of its (nonzero) digits is 48000, while the sum is 33.
The square root of 2145435045 is about 46318.8411448300. The cubic root of 2145435045 is about 1289.7487732631.
The spelling of 2145435045 in words is "two billion, one hundred forty-five million, four hundred thirty-five thousand, forty-five".
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