Base | Representation |
---|---|
bin | 10110110100011111… |
… | …00011100011001100 |
3 | 1011121211020220122222 |
4 | 23122033203203030 |
5 | 200042332223302 |
6 | 5343410554512 |
7 | 612413365601 |
oct | 133217434314 |
9 | 34554226588 |
10 | 12251445452 |
11 | 5217692334 |
12 | 245ab98a38 |
13 | 120329210c |
14 | 8431926a8 |
15 | 4ba88cda2 |
hex | 2da3e38cc |
12251445452 has 12 divisors (see below), whose sum is σ = 21711422880. Its totient is φ = 6048181776.
The previous prime is 12251445449. The next prime is 12251445457. The reversal of 12251445452 is 25454415221.
It is not an unprimeable number, because it can be changed into a prime (12251445457) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19384883 + ... + 19385514.
It is an arithmetic number, because the mean of its divisors is an integer number (1809285240).
Almost surely, 212251445452 is an apocalyptic number.
It is an amenable number.
12251445452 is a deficient number, since it is larger than the sum of its proper divisors (9459977428).
12251445452 is a wasteful number, since it uses less digits than its factorization.
12251445452 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38770480 (or 38770478 counting only the distinct ones).
The product of its digits is 64000, while the sum is 35.
The spelling of 12251445452 in words is "twelve billion, two hundred fifty-one million, four hundred forty-five thousand, four hundred fifty-two".
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