Base | Representation |
---|---|
bin | 10110110100011100… |
… | …00000111101110011 |
3 | 1011121210111101202101 |
4 | 23122032000331303 |
5 | 200042231313101 |
6 | 5343354201231 |
7 | 612410064412 |
oct | 133216007563 |
9 | 34553441671 |
10 | 12251041651 |
11 | 5217436a12 |
12 | 245aa23217 |
13 | 1203180394 |
14 | 8430c9479 |
15 | 4ba80d401 |
hex | 2da380f73 |
12251041651 has 2 divisors, whose sum is σ = 12251041652. Its totient is φ = 12251041650.
The previous prime is 12251041643. The next prime is 12251041661. The reversal of 12251041651 is 15614015221.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 12251041651 - 23 = 12251041643 is a prime.
It is not a weakly prime, because it can be changed into another prime (12251041661) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6125520825 + 6125520826.
It is an arithmetic number, because the mean of its divisors is an integer number (6125520826).
Almost surely, 212251041651 is an apocalyptic number.
12251041651 is a deficient number, since it is larger than the sum of its proper divisors (1).
12251041651 is an equidigital number, since it uses as much as digits as its factorization.
12251041651 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2400, while the sum is 28.
Adding to 12251041651 its reverse (15614015221), we get a palindrome (27865056872).
The spelling of 12251041651 in words is "twelve billion, two hundred fifty-one million, forty-one thousand, six hundred fifty-one".
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