Base | Representation |
---|---|
bin | 11000000100000010… |
… | …01100110011010110 |
3 | 1020100022221120002101 |
4 | 30002001030303112 |
5 | 202424201132102 |
6 | 5533530032314 |
7 | 635065512052 |
oct | 140201146326 |
9 | 36308846071 |
10 | 12918770902 |
11 | 552a344874 |
12 | 260657869a |
13 | 12ab60104b |
14 | 8a7a62c62 |
15 | 509258e87 |
hex | 30204ccd6 |
12918770902 has 8 divisors (see below), whose sum is σ = 19790457696. Its totient is φ = 6321951672.
The previous prime is 12918770897. The next prime is 12918770903. The reversal of 12918770902 is 20907781921.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12918770903) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68716773 + ... + 68716960.
It is an arithmetic number, because the mean of its divisors is an integer number (2473807212).
Almost surely, 212918770902 is an apocalyptic number.
12918770902 is a deficient number, since it is larger than the sum of its proper divisors (6871686794).
12918770902 is a wasteful number, since it uses less digits than its factorization.
12918770902 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 137433782.
The product of its (nonzero) digits is 127008, while the sum is 46.
The spelling of 12918770902 in words is "twelve billion, nine hundred eighteen million, seven hundred seventy thousand, nine hundred two".
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