Base | Representation |
---|---|
bin | 10110010111111100… |
… | …01001110100111110 |
3 | 1011000010200221212000 |
4 | 23023332021310332 |
5 | 144100033040442 |
6 | 5303534523130 |
7 | 603445223544 |
oct | 131376116476 |
9 | 34003627760 |
10 | 12012002622 |
11 | 510450a3a4 |
12 | 23b29664a6 |
13 | 11957a7a79 |
14 | 81d463d94 |
15 | 4a4841d4c |
hex | 2cbf89d3e |
12012002622 has 32 divisors (see below), whose sum is σ = 26703574560. Its totient is φ = 4002465600.
The previous prime is 12012002621. The next prime is 12012002671. The reversal of 12012002622 is 22620021021.
12012002622 is a `hidden beast` number, since 1 + 20 + 1 + 20 + 0 + 2 + 622 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 12012002595 and 12012002604.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12012002621) 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, 104122 + ... + 186722.
It is an arithmetic number, because the mean of its divisors is an integer number (834486705).
Almost surely, 212012002622 is an apocalyptic number.
12012002622 is an abundant number, since it is smaller than the sum of its proper divisors (14691571938).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12012002622 is a wasteful number, since it uses less digits than its factorization.
12012002622 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 85305 (or 85299 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
Adding to 12012002622 its reverse (22620021021), we get a palindrome (34632023643).
The spelling of 12012002622 in words is "twelve billion, twelve million, two thousand, six hundred twenty-two".
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