Base | Representation |
---|---|
bin | 111111111011110… |
… | …0000000001001010 |
3 | 12112111200021022100 |
4 | 1333313200001022 |
5 | 13343141133443 |
6 | 552512134230 |
7 | 104106241131 |
oct | 17767400112 |
9 | 5474607270 |
10 | 2145255498 |
11 | a00a39231 |
12 | 4ba537376 |
13 | 2825a4869 |
14 | 164caa918 |
15 | c85063d3 |
hex | 7fde004a |
2145255498 has 24 divisors (see below), whose sum is σ = 4746950208. Its totient is φ = 699870312.
The previous prime is 2145255493. The next prime is 2145255499. The reversal of 2145255498 is 8945525412.
2145255498 is a `hidden beast` number, since 2 + 1 + 4 + 5 + 2 + 554 + 98 = 666.
It is not an unprimeable number, because it can be changed into a prime (2145255491) 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, 1267036 + ... + 1268727.
It is an arithmetic number, because the mean of its divisors is an integer number (197789592).
Almost surely, 22145255498 is an apocalyptic number.
2145255498 is an abundant number, since it is smaller than the sum of its proper divisors (2601694710).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2145255498 is a wasteful number, since it uses less digits than its factorization.
2145255498 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2535818 (or 2535815 counting only the distinct ones).
The product of its digits is 576000, while the sum is 45.
The square root of 2145255498 is about 46316.9029405033. The cubic root of 2145255498 is about 1289.7127934613.
The spelling of 2145255498 in words is "two billion, one hundred forty-five million, two hundred fifty-five thousand, four hundred ninety-eight".
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