Base | Representation |
---|---|
bin | 1011101110010000000010… |
… | …1010100100000110011000 |
3 | 1200122012022001211110021021 |
4 | 2323210000222210012120 |
5 | 3142134044222410313 |
6 | 43225115335452224 |
7 | 2500133406300502 |
oct | 273440052440630 |
9 | 50565261743237 |
10 | 12889208013208 |
11 | 411a3119a224a |
12 | 1542021827074 |
13 | 7265a7382a97 |
14 | 327bab9a0d72 |
15 | 175427c9b78d |
hex | bb900aa4198 |
12889208013208 has 8 divisors (see below), whose sum is σ = 24167265024780. Its totient is φ = 6444604006600.
The previous prime is 12889208013193. The next prime is 12889208013263. The reversal of 12889208013208 is 80231080298821.
It is a tau number, because it is divible by the number of its divisors (8).
It is a super-2 number, since 2×128892080132082 (a number of 27 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 805575500818 + ... + 805575500833.
Almost surely, 212889208013208 is an apocalyptic number.
It is an amenable number.
12889208013208 is a deficient number, since it is larger than the sum of its proper divisors (11278057011572).
12889208013208 is a wasteful number, since it uses less digits than its factorization.
12889208013208 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1611151001657 (or 1611151001653 counting only the distinct ones).
The product of its (nonzero) digits is 884736, while the sum is 52.
The spelling of 12889208013208 in words is "twelve trillion, eight hundred eighty-nine billion, two hundred eight million, thirteen thousand, two hundred eight".
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