Search a number
-
+
16607928015893 = 42664138927173
BaseRepresentation
bin1111000110101101010110…
…1001100101110000010101
32011210200222001120210111002
43301223111221211300111
54134101014033002033
655153324331153045
73332611636624454
oct361532551456025
964720861523432
1016607928015893
115323423440715
121a428895a5785
139361757a3c86
14415b8408cb9b
151dc024c753e8
hexf1ad5a65c15

16607928015893 has 4 divisors (see below), whose sum is σ = 16607967369708. Its totient is φ = 16607888662080.

The previous prime is 16607928015883. The next prime is 16607928015923. The reversal of 16607928015893 is 39851082970661.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1284328091524 + 15323599924369 = 1133282^2 + 3914537^2 .

It is a cyclic number.

It is not a de Polignac number, because 16607928015893 - 228 = 16607659580437 is a prime.

It is a super-3 number, since 3×166079280158933 (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16607928015883) 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, 19036946 + ... + 19890227.

It is an arithmetic number, because the mean of its divisors is an integer number (4151991842427).

Almost surely, 216607928015893 is an apocalyptic number.

It is an amenable number.

16607928015893 is a deficient number, since it is larger than the sum of its proper divisors (39353815).

16607928015893 is an equidigital number, since it uses as much as digits as its factorization.

16607928015893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39353814.

The product of its (nonzero) digits is 39191040, while the sum is 65.

The spelling of 16607928015893 in words is "sixteen trillion, six hundred seven billion, nine hundred twenty-eight million, fifteen thousand, eight hundred ninety-three".

Divisors: 1 426641 38927173 16607928015893