Search a number
-
+
16740411681 = 371983505493
BaseRepresentation
bin11111001011100111…
…00110100100100001
31121012200001000200110
433211303212210201
5233241021133211
611405045041533
71131562102650
oct174563464441
947180030613
1016740411681
117110587084
1232b23b62a9
13176a2a4656
14b4b429197
1567e9ebea6
hex3e5ce6921

16740411681 has 32 divisors (see below), whose sum is σ = 27175357440. Its totient is φ = 8953274304.

The previous prime is 16740411679. The next prime is 16740411691. The reversal of 16740411681 is 18611404761.

It is not a de Polignac number, because 16740411681 - 21 = 16740411679 is a prime.

It is a super-2 number, since 2×167404116812 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16740411691) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 219630 + ... + 285863.

It is an arithmetic number, because the mean of its divisors is an integer number (849229920).

Almost surely, 216740411681 is an apocalyptic number.

It is an amenable number.

16740411681 is a deficient number, since it is larger than the sum of its proper divisors (10434945759).

16740411681 is a wasteful number, since it uses less digits than its factorization.

16740411681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505605.

The product of its (nonzero) digits is 32256, while the sum is 39.

The spelling of 16740411681 in words is "sixteen billion, seven hundred forty million, four hundred eleven thousand, six hundred eighty-one".

Divisors: 1 3 7 19 21 57 83 133 249 399 581 1577 1743 4731 11039 33117 505493 1516479 3538451 9604367 10615353 28813101 41955919 67230569 125867757 201691707 293691433 797162461 881074299 2391487383 5580137227 16740411681