Base | Representation |
---|---|
bin | 1011000100100101000111… |
… | …1101100010000101100100 |
3 | 1121002202110001221022220120 |
4 | 2301021101331202011210 |
5 | 3043421420433324024 |
6 | 41520201552201540 |
7 | 2364331013064453 |
oct | 261112175420544 |
9 | 47082401838816 |
10 | 12173312401764 |
11 | 3973744547498 |
12 | 14473298392b0 |
13 | 6a3c2797bac7 |
14 | 30129753cb9a |
15 | 1619c846d479 |
hex | b1251f62164 |
12173312401764 has 12 divisors (see below), whose sum is σ = 28404395604144. Its totient is φ = 4057770800584.
The previous prime is 12173312401703. The next prime is 12173312401771. The reversal of 12173312401764 is 46710421337121.
It is a tau number, because it is divible by the number of its divisors (12).
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 507221350062 + ... + 507221350085.
It is an arithmetic number, because the mean of its divisors is an integer number (2367032967012).
Almost surely, 212173312401764 is an apocalyptic number.
It is an amenable number.
12173312401764 is an abundant number, since it is smaller than the sum of its proper divisors (16231083202380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12173312401764 is a wasteful number, since it uses less digits than its factorization.
12173312401764 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1014442700154 (or 1014442700152 counting only the distinct ones).
The product of its (nonzero) digits is 169344, while the sum is 42.
Adding to 12173312401764 its reverse (46710421337121), we get a palindrome (58883733738885).
The spelling of 12173312401764 in words is "twelve trillion, one hundred seventy-three billion, three hundred twelve million, four hundred one thousand, seven hundred sixty-four".
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