Base | Representation |
---|---|
bin | 11000001100110011… |
… | …00000000010010001 |
3 | 1020112110012200110111 |
4 | 30012121200002101 |
5 | 203102004000001 |
6 | 5545113001321 |
7 | 636650205613 |
oct | 140631400221 |
9 | 36473180414 |
10 | 12992250001 |
11 | 55678717a5 |
12 | 26270b3241 |
13 | 12c08ba2c3 |
14 | 8b370cdb3 |
15 | 510920851 |
hex | 306660091 |
12992250001 has 4 divisors (see below), whose sum is σ = 12992485104. Its totient is φ = 12992014900.
The previous prime is 12992249999. The next prime is 12992250013. The reversal of 12992250001 is 10005229921.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 12992250001 - 21 = 12992249999 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12992250101) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15666 + ... + 161956.
It is an arithmetic number, because the mean of its divisors is an integer number (3248121276).
Almost surely, 212992250001 is an apocalyptic number.
It is an amenable number.
12992250001 is a deficient number, since it is larger than the sum of its proper divisors (235103).
12992250001 is an equidigital number, since it uses as much as digits as its factorization.
12992250001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 235102.
The product of its (nonzero) digits is 3240, while the sum is 31.
Adding to 12992250001 its reverse (10005229921), we get a palindrome (22997479922).
The spelling of 12992250001 in words is "twelve billion, nine hundred ninety-two million, two hundred fifty thousand, one".
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