Base | Representation |
---|---|
bin | 1011001001100010001110… |
… | …0010110011100001100001 |
3 | 1121101220011021100012110001 |
4 | 2302120203202303201201 |
5 | 3101320232321124111 |
6 | 42023240225540001 |
7 | 2403433253122603 |
oct | 262304342634141 |
9 | 47356137305401 |
10 | 12258432989281 |
11 | 39a6854933786 |
12 | 145b9244a4601 |
13 | 6abc7191395b |
14 | 3054503a9173 |
15 | 163d0b2631c1 |
hex | b26238b3861 |
12258432989281 has 8 divisors (see below), whose sum is σ = 12647821956480. Its totient is φ = 11874899495472.
The previous prime is 12258432989227. The next prime is 12258432989291. The reversal of 12258432989281 is 18298923485221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12258432989281 - 213 = 12258432981089 is a prime.
It is a super-2 number, since 2×122584329892812 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12258432989221) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1463864095 + ... + 1463872468.
It is an arithmetic number, because the mean of its divisors is an integer number (1580977744560).
Almost surely, 212258432989281 is an apocalyptic number.
It is an amenable number.
12258432989281 is a deficient number, since it is larger than the sum of its proper divisors (389388967199).
12258432989281 is an equidigital number, since it uses as much as digits as its factorization.
12258432989281 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2927736695.
The product of its digits is 39813120, while the sum is 64.
It can be divided in two parts, 1225843 and 2989281, that added together give a palindrome (4215124).
The spelling of 12258432989281 in words is "twelve trillion, two hundred fifty-eight billion, four hundred thirty-two million, nine hundred eighty-nine thousand, two hundred eighty-one".
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