Base | Representation |
---|---|
bin | 1000000000111011… |
… | …0000111010101001 |
3 | 12112221011002220201 |
4 | 2000032300322221 |
5 | 13401221312100 |
6 | 553250552201 |
7 | 104212131112 |
oct | 20016607251 |
9 | 5487132821 |
10 | 2151354025 |
11 | a04424137 |
12 | 500598661 |
13 | 28392b662 |
14 | 165a17209 |
15 | c8d0d36a |
hex | 803b0ea9 |
2151354025 has 6 divisors (see below), whose sum is σ = 2667679022. Its totient is φ = 1721083200.
The previous prime is 2151353977. The next prime is 2151354041. The reversal of 2151354025 is 5204531512.
It can be written as a sum of positive squares in 3 ways, for example, as 151117849 + 2000236176 = 12293^2 + 44724^2 .
It is not a de Polignac number, because 2151354025 - 215 = 2151321257 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2151353984 and 2151354002.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43027056 + ... + 43027105.
Almost surely, 22151354025 is an apocalyptic number.
2151354025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2151354025 is a deficient number, since it is larger than the sum of its proper divisors (516324997).
2151354025 is an equidigital number, since it uses as much as digits as its factorization.
2151354025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 86054171 (or 86054166 counting only the distinct ones).
The product of its (nonzero) digits is 6000, while the sum is 28.
The square root of 2151354025 is about 46382.6910064520. The cubic root of 2151354025 is about 1290.9337679717.
Adding to 2151354025 its reverse (5204531512), we get a palindrome (7355885537).
The spelling of 2151354025 in words is "two billion, one hundred fifty-one million, three hundred fifty-four thousand, twenty-five".
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