Base | Representation |
---|---|
bin | 1011001001010011110000… |
… | …1110000101010110100011 |
3 | 1121101112010210121112222101 |
4 | 2302110330032011112203 |
5 | 3101234310304123022 |
6 | 42021355151151231 |
7 | 2403235136333515 |
oct | 262247416052643 |
9 | 47345123545871 |
10 | 12254552020387 |
11 | 39a514315a376 |
12 | 145b020815517 |
13 | 6ab7a386a161 |
14 | 3051a2b9bbb5 |
15 | 163b806a1627 |
hex | b253c3855a3 |
12254552020387 has 2 divisors, whose sum is σ = 12254552020388. Its totient is φ = 12254552020386.
The previous prime is 12254552020379. The next prime is 12254552020481. The reversal of 12254552020387 is 78302025545221.
It is a happy number.
It is a weak prime.
It is an emirp because it is prime and its reverse (78302025545221) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 12254552020387 - 23 = 12254552020379 is a prime.
It is a super-2 number, since 2×122545520203872 (a number of 27 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (12254552020307) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6127276010193 + 6127276010194.
It is an arithmetic number, because the mean of its divisors is an integer number (6127276010194).
Almost surely, 212254552020387 is an apocalyptic number.
12254552020387 is a deficient number, since it is larger than the sum of its proper divisors (1).
12254552020387 is an equidigital number, since it uses as much as digits as its factorization.
12254552020387 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1344000, while the sum is 46.
The spelling of 12254552020387 in words is "twelve trillion, two hundred fifty-four billion, five hundred fifty-two million, twenty thousand, three hundred eighty-seven".
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