Base | Representation |
---|---|
bin | 1000111111010110101… |
… | …0101001101110011010 |
3 | 112202122120100222122200 |
4 | 2033311222221232122 |
5 | 10012301014013414 |
6 | 154541250031030 |
7 | 14105205462141 |
oct | 2176552515632 |
9 | 482576328580 |
10 | 154445454234 |
11 | 5a555483775 |
12 | 25b23578476 |
13 | 11744568756 |
14 | 7691d3c758 |
15 | 403dee6109 |
hex | 23f5aa9b9a |
154445454234 has 48 divisors (see below), whose sum is σ = 337175303400. Its totient is φ = 51090739200.
The previous prime is 154445454179. The next prime is 154445454271. The reversal of 154445454234 is 432454544451.
154445454234 is a `hidden beast` number, since 1 + 54 + 4 + 4 + 54 + 542 + 3 + 4 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 142487375625 + 11958078609 = 377475^2 + 109353^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 154445454234.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10717434 + ... + 10731834.
Almost surely, 2154445454234 is an apocalyptic number.
154445454234 is an abundant number, since it is smaller than the sum of its proper divisors (182729849166).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
154445454234 is a wasteful number, since it uses less digits than its factorization.
154445454234 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18895 (or 18892 counting only the distinct ones).
The product of its digits is 3072000, while the sum is 45.
Adding to 154445454234 its reverse (432454544451), we get a palindrome (586899998685).
The spelling of 154445454234 in words is "one hundred fifty-four billion, four hundred forty-five million, four hundred fifty-four thousand, two hundred thirty-four".
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