Base | Representation |
---|---|
bin | 10111001100010101… |
… | …10100010111100011 |
3 | 1012010202202021100121 |
4 | 23212022310113203 |
5 | 201000042431321 |
6 | 5415315301111 |
7 | 620363155231 |
oct | 134612642743 |
9 | 35122667317 |
10 | 12451530211 |
11 | 530a622a3a |
12 | 24b5baa797 |
13 | 1235878b73 |
14 | 861997951 |
15 | 4cd212441 |
hex | 2e62b45e3 |
12451530211 has 8 divisors (see below), whose sum is σ = 12624243120. Its totient is φ = 12278875392.
The previous prime is 12451530209. The next prime is 12451530283. The reversal of 12451530211 is 11203515421.
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 12451530211 - 21 = 12451530209 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12451534211) 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, 589611 + ... + 610363.
It is an arithmetic number, because the mean of its divisors is an integer number (1578030390).
Almost surely, 212451530211 is an apocalyptic number.
12451530211 is a deficient number, since it is larger than the sum of its proper divisors (172712909).
12451530211 is an equidigital number, since it uses as much as digits as its factorization.
12451530211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29045.
The product of its (nonzero) digits is 1200, while the sum is 25.
The spelling of 12451530211 in words is "twelve billion, four hundred fifty-one million, five hundred thirty thousand, two hundred eleven".
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