Base | Representation |
---|---|
bin | 1001001010110100010111… |
… | …00010001100110111101101 |
3 | 2122101120000101110022010222 |
4 | 10211122023202030313231 |
5 | 10120322123334023221 |
6 | 110514414425141125 |
7 | 4150502614554230 |
oct | 445321342146755 |
9 | 78346011408128 |
10 | 20162917486061 |
11 | 64740553026a9 |
12 | 231786032a7a5 |
13 | b3347cb0446c |
14 | 4d9c67419417 |
15 | 24e73ca189ab |
hex | 12568b88cded |
20162917486061 has 4 divisors (see below), whose sum is σ = 23043334269792. Its totient is φ = 17282500702332.
The previous prime is 20162917486057. The next prime is 20162917486079. The reversal of 20162917486061 is 16068471926102.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 20162917486061 - 22 = 20162917486057 is a prime.
It is a super-3 number, since 3×201629174860613 (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20162917485994 and 20162917486012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20162917486021) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1440208391855 + ... + 1440208391868.
It is an arithmetic number, because the mean of its divisors is an integer number (5760833567448).
Almost surely, 220162917486061 is an apocalyptic number.
It is an amenable number.
20162917486061 is a deficient number, since it is larger than the sum of its proper divisors (2880416783731).
20162917486061 is an equidigital number, since it uses as much as digits as its factorization.
20162917486061 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2880416783730.
The product of its (nonzero) digits is 1741824, while the sum is 53.
The spelling of 20162917486061 in words is "twenty trillion, one hundred sixty-two billion, nine hundred seventeen million, four hundred eighty-six thousand, sixty-one".
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