Search a number
-
+
16321638377 = 111483785307
BaseRepresentation
bin11110011001101100…
…00110111111101001
31120010111001010201002
433030312012333221
5231411314412002
611255325204345
71115315431352
oct171466067751
946114033632
1016321638377
116a16159540
1231b61006b5
1317015bc0b5
14b0b978d29
15657d7b002
hex3ccd86fe9

16321638377 has 4 divisors (see below), whose sum is σ = 17805423696. Its totient is φ = 14837853060.

The previous prime is 16321638371. The next prime is 16321638391. The reversal of 16321638377 is 77383612361.

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 16321638377 - 26 = 16321638313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16321638371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 741892643 + ... + 741892664.

It is an arithmetic number, because the mean of its divisors is an integer number (4451355924).

Almost surely, 216321638377 is an apocalyptic number.

It is an amenable number.

16321638377 is a deficient number, since it is larger than the sum of its proper divisors (1483785319).

16321638377 is a wasteful number, since it uses less digits than its factorization.

16321638377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1483785318.

The product of its digits is 762048, while the sum is 47.

The spelling of 16321638377 in words is "sixteen billion, three hundred twenty-one million, six hundred thirty-eight thousand, three hundred seventy-seven".

Divisors: 1 11 1483785307 16321638377