Base | Representation |
---|---|
bin | 10111000110100011… |
… | …01000011010110111 |
3 | 1012000101101220100011 |
4 | 23203101220122313 |
5 | 200400131002011 |
6 | 5410423001051 |
7 | 616233426022 |
oct | 134321503267 |
9 | 35011356304 |
10 | 12402984631 |
11 | 5295185a24 |
12 | 24a1899187 |
13 | 12287ac77b |
14 | 85935c1b9 |
15 | 4c8d23621 |
hex | 2e34686b7 |
12402984631 has 2 divisors, whose sum is σ = 12402984632. Its totient is φ = 12402984630.
The previous prime is 12402984611. The next prime is 12402984647. The reversal of 12402984631 is 13648920421.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 12402984631 - 25 = 12402984599 is a prime.
It is a super-2 number, since 2×124029846312 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12402984611) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6201492315 + 6201492316.
It is an arithmetic number, because the mean of its divisors is an integer number (6201492316).
Almost surely, 212402984631 is an apocalyptic number.
12402984631 is a deficient number, since it is larger than the sum of its proper divisors (1).
12402984631 is an equidigital number, since it uses as much as digits as its factorization.
12402984631 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 82944, while the sum is 40.
The spelling of 12402984631 in words is "twelve billion, four hundred two million, nine hundred eighty-four thousand, six hundred thirty-one".
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