Base | Representation |
---|---|
bin | 10111001010010000… |
… | …01110111110100011 |
3 | 1012002112220111001212 |
4 | 23211020032332203 |
5 | 200431110404210 |
6 | 5413453220335 |
7 | 620061620066 |
oct | 134510167643 |
9 | 35075814055 |
10 | 12434075555 |
11 | 5300791000 |
12 | 24b01916ab |
13 | 1232077175 |
14 | 85d5328dd |
15 | 4cb915805 |
hex | 2e520efa3 |
12434075555 has 16 divisors (see below), whose sum is σ = 16411867488. Its totient is φ = 9042959200.
The previous prime is 12434075543. The next prime is 12434075557. The reversal of 12434075555 is 55557043421.
It is not a de Polignac number, because 12434075555 - 216 = 12434010019 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12434075557) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 927536 + ... + 940845.
It is an arithmetic number, because the mean of its divisors is an integer number (1025741718).
Almost surely, 212434075555 is an apocalyptic number.
12434075555 is a deficient number, since it is larger than the sum of its proper divisors (3977791933).
12434075555 is an equidigital number, since it uses as much as digits as its factorization.
12434075555 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1868419 (or 1868397 counting only the distinct ones).
The product of its (nonzero) digits is 420000, while the sum is 41.
The spelling of 12434075555 in words is "twelve billion, four hundred thirty-four million, seventy-five thousand, five hundred fifty-five".
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