Base | Representation |
---|---|
bin | 11000000010110001… |
… | …01111000000000000 |
3 | 1020022120222121212210 |
4 | 30001120233000000 |
5 | 202413442204242 |
6 | 5532510422120 |
7 | 634606401330 |
oct | 140130570000 |
9 | 36276877783 |
10 | 12908163072 |
11 | 5524359a72 |
12 | 2602b01940 |
13 | 12a935891c |
14 | 8a64a10c0 |
15 | 508360d9c |
hex | 30162f000 |
12908163072 has 104 divisors (see below), whose sum is σ = 39334623616. Its totient is φ = 3688022016.
The previous prime is 12908163041. The next prime is 12908163113. The reversal of 12908163072 is 27036180921.
It is a self number, because there is not a number n which added to its sum of digits gives 12908163072.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10983 + ... + 161049.
Almost surely, 212908163072 is an apocalyptic number.
12908163072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12908163072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19667311808).
12908163072 is an abundant number, since it is smaller than the sum of its proper divisors (26426460544).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12908163072 is an equidigital number, since it uses as much as digits as its factorization.
12908163072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 150101 (or 150079 counting only the distinct ones).
The product of its (nonzero) digits is 36288, while the sum is 39.
The spelling of 12908163072 in words is "twelve billion, nine hundred eight million, one hundred sixty-three thousand, seventy-two".
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