Search a number
-
+
20450166476 = 225112541619
BaseRepresentation
bin10011000010111011…
…001100011011001100
31221210012121002120012
4103002323030123030
5313340220311401
613221130012352
71322526355415
oct230273143314
957705532505
1020450166476
118744649833
123b688770b8
131c0ba3232c
14dbddc880c
157ea53d8bb
hex4c2ecc6cc

20450166476 has 6 divisors (see below), whose sum is σ = 35787791340. Its totient is φ = 10225083236.

The previous prime is 20450166419. The next prime is 20450166533. The reversal of 20450166476 is 67466105402.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20450166419) and next prime (20450166533).

It is a super-3 number, since 3×204501664763 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2556270806 + ... + 2556270813.

It is an arithmetic number, because the mean of its divisors is an integer number (5964631890).

Almost surely, 220450166476 is an apocalyptic number.

It is an amenable number.

20450166476 is a deficient number, since it is larger than the sum of its proper divisors (15337624864).

20450166476 is a wasteful number, since it uses less digits than its factorization.

20450166476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5112541623 (or 5112541621 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 20450166476 in words is "twenty billion, four hundred fifty million, one hundred sixty-six thousand, four hundred seventy-six".

Divisors: 1 2 4 5112541619 10225083238 20450166476