Base | Representation |
---|---|
bin | 1010111111100110001110… |
… | …1101111001110010000001 |
3 | 1120210120111100200221112220 |
4 | 2233321203231321302001 |
5 | 3041021113000322411 |
6 | 41413003500041253 |
7 | 2355210513534330 |
oct | 257714355716201 |
9 | 46716440627486 |
10 | 12087710948481 |
11 | 3940407782683 |
12 | 1432819b33229 |
13 | 698b352011bc |
14 | 2db09689bd17 |
15 | 15e66833eb06 |
hex | afe63b79c81 |
12087710948481 has 16 divisors (see below), whose sum is σ = 18419933514624. Its totient is φ = 6907051730304.
The previous prime is 12087710948479. The next prime is 12087710948491. The reversal of 12087710948481 is 18484901778021.
It is not a de Polignac number, because 12087710948481 - 21 = 12087710948479 is a prime.
It is a super-3 number, since 3×120877109484813 (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is not an unprimeable number, because it can be changed into a prime (12087710948431) 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, 8116636 + ... + 9489741.
It is an arithmetic number, because the mean of its divisors is an integer number (1151245844664).
Almost surely, 212087710948481 is an apocalyptic number.
It is an amenable number.
12087710948481 is a deficient number, since it is larger than the sum of its proper divisors (6332222566143).
12087710948481 is a wasteful number, since it uses less digits than its factorization.
12087710948481 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17639080.
The product of its (nonzero) digits is 7225344, while the sum is 60.
The spelling of 12087710948481 in words is "twelve trillion, eighty-seven billion, seven hundred ten million, nine hundred forty-eight thousand, four hundred eighty-one".
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