Search a number
-
+
16818300036 = 2232467175001
BaseRepresentation
bin11111010100111001…
…01110010010000100
31121102002121011102100
433222130232102010
5233420441100121
611420510312100
71133526122466
oct175234562204
947362534370
1016818300036
11715054581a
1233144b8630
131780475835
14b57902136
15686785026
hex3ea72e484

16818300036 has 18 divisors (see below), whose sum is σ = 42512925182. Its totient is φ = 5606100000.

The previous prime is 16818299963. The next prime is 16818300041. The reversal of 16818300036 is 63000381861.

16818300036 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 16758855936 + 59444100 = 129456^2 + 7710^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×168183000362 (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 467175001 = 16818300036 / (1 + 6 + 8 + 1 + 8 + 3 + 0 + 0 + 0 + 3 + 6).

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 in 5 ways as a sum of consecutive naturals, for example, 233587465 + ... + 233587536.

Almost surely, 216818300036 is an apocalyptic number.

It is an amenable number.

16818300036 is an abundant number, since it is smaller than the sum of its proper divisors (25694625146).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16818300036 is a wasteful number, since it uses less digits than its factorization.

16818300036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467175011 (or 467175006 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

Adding to 16818300036 its reverse (63000381861), we get a palindrome (79818681897).

The spelling of 16818300036 in words is "sixteen billion, eight hundred eighteen million, three hundred thousand, thirty-six".

Divisors: 1 2 3 4 6 9 12 18 36 467175001 934350002 1401525003 1868700004 2803050006 4204575009 5606100012 8409150018 16818300036