Base | Representation |
---|---|
bin | 1000000001000111… |
… | …1111110000100011 |
3 | 12112222202011002110 |
4 | 2000101333300203 |
5 | 13401430420001 |
6 | 553321050403 |
7 | 104222260134 |
oct | 20021776043 |
9 | 5488664073 |
10 | 2152201251 |
11 | a04952722 |
12 | 500926a03 |
13 | 283b67185 |
14 | 165b97c8b |
15 | c8e293d6 |
hex | 8047fc23 |
2152201251 has 8 divisors (see below), whose sum is σ = 2869831440. Its totient is φ = 1434685952.
The previous prime is 2152201229. The next prime is 2152201391. The reversal of 2152201251 is 1521022512.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2152201251 - 219 = 2151676963 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2152201201) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35515 + ... + 74603.
It is an arithmetic number, because the mean of its divisors is an integer number (358728930).
Almost surely, 22152201251 is an apocalyptic number.
2152201251 is a deficient number, since it is larger than the sum of its proper divisors (717630189).
2152201251 is a wasteful number, since it uses less digits than its factorization.
2152201251 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57445.
The product of its (nonzero) digits is 400, while the sum is 21.
The square root of 2152201251 is about 46391.8231049395. The cubic root of 2152201251 is about 1291.1032068614.
Adding to 2152201251 its reverse (1521022512), we get a palindrome (3673223763).
The spelling of 2152201251 in words is "two billion, one hundred fifty-two million, two hundred one thousand, two hundred fifty-one".
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