Base | Representation |
---|---|
bin | 1000000001100111… |
… | …0011111110101000 |
3 | 12120010121020122200 |
4 | 2000121303332220 |
5 | 13402442001102 |
6 | 553433020200 |
7 | 104245552455 |
oct | 20031637650 |
9 | 5503536580 |
10 | 2154250152 |
11 | a0602202a |
12 | 501554660 |
13 | 284403942 |
14 | 16616c82c |
15 | c91d151c |
hex | 80673fa8 |
2154250152 has 48 divisors (see below), whose sum is σ = 6035620500. Its totient is φ = 693321216.
The previous prime is 2154250139. The next prime is 2154250159. The reversal of 2154250152 is 2510524512.
2154250152 is a `hidden beast` number, since 2 + 154 + 2 + 501 + 5 + 2 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 2100755556 + 53494596 = 45834^2 + 7314^2 .
It is not an unprimeable number, because it can be changed into a prime (2154250159) 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, 513777 + ... + 517952.
Almost surely, 22154250152 is an apocalyptic number.
It is an amenable number.
2154250152 is an abundant number, since it is smaller than the sum of its proper divisors (3881370348).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2154250152 is a wasteful number, since it uses less digits than its factorization.
2154250152 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1031770 (or 1031763 counting only the distinct ones).
The product of its (nonzero) digits is 4000, while the sum is 27.
The square root of 2154250152 is about 46413.9004178705. The cubic root of 2154250152 is about 1291.5127880807.
Adding to 2154250152 its reverse (2510524512), we get a palindrome (4664774664).
The spelling of 2154250152 in words is "two billion, one hundred fifty-four million, two hundred fifty thousand, one hundred fifty-two".
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