Base | Representation |
---|---|
bin | 10110100001000110… |
… | …11011111011111011 |
3 | 1011012111100222122000 |
4 | 23100203123323323 |
5 | 144224223304422 |
6 | 5315322432043 |
7 | 605400553434 |
oct | 132043337373 |
9 | 34174328560 |
10 | 12088884987 |
11 | 5143951243 |
12 | 2414662623 |
13 | 11a86b60aa |
14 | 82975848b |
15 | 4ab47bcac |
hex | 2d08dbefb |
12088884987 has 16 divisors (see below), whose sum is σ = 18527028000. Its totient is φ = 7781350752.
The previous prime is 12088884971. The next prime is 12088884989. The reversal of 12088884987 is 78948888021.
It is not a de Polignac number, because 12088884987 - 24 = 12088884971 is a prime.
It is a super-2 number, since 2×120888849872 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (12088884989) 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, 7718812 + ... + 7720377.
It is an arithmetic number, because the mean of its divisors is an integer number (1157939250).
Almost surely, 212088884987 is an apocalyptic number.
12088884987 is a deficient number, since it is larger than the sum of its proper divisors (6438143013).
12088884987 is a wasteful number, since it uses less digits than its factorization.
12088884987 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15439227 (or 15439221 counting only the distinct ones).
The product of its (nonzero) digits is 16515072, while the sum is 63.
The spelling of 12088884987 in words is "twelve billion, eighty-eight million, eight hundred eighty-four thousand, nine hundred eighty-seven".
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