Base | Representation |
---|---|
bin | 1011001001010011110000… |
… | …1110000101011000000001 |
3 | 1121101112010210121120002212 |
4 | 2302110330032011120001 |
5 | 3101234310304123411 |
6 | 42021355151151505 |
7 | 2403235136334011 |
oct | 262247416053001 |
9 | 47345123546085 |
10 | 12254552020481 |
11 | 39a514315a451 |
12 | 145b020815595 |
13 | 6ab7a386a204 |
14 | 3051a2b9bc41 |
15 | 163b806a168b |
hex | b253c385601 |
12254552020481 has 2 divisors, whose sum is σ = 12254552020482. Its totient is φ = 12254552020480.
The previous prime is 12254552020387. The next prime is 12254552020499. The reversal of 12254552020481 is 18402025545221.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 10201693492081 + 2052858528400 = 3194009^2 + 1432780^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12254552020481 is a prime.
It is a super-2 number, since 2×122545520204812 (a number of 27 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (12254552020181) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6127276010240 + 6127276010241.
It is an arithmetic number, because the mean of its divisors is an integer number (6127276010241).
Almost surely, 212254552020481 is an apocalyptic number.
It is an amenable number.
12254552020481 is a deficient number, since it is larger than the sum of its proper divisors (1).
12254552020481 is an equidigital number, since it uses as much as digits as its factorization.
12254552020481 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 256000, while the sum is 41.
The spelling of 12254552020481 in words is "twelve trillion, two hundred fifty-four billion, five hundred fifty-two million, twenty thousand, four hundred eighty-one".
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