Search a number
-
+
16171000807 = 136773254329
BaseRepresentation
bin11110000111101110…
…11110001111100111
31112201222120221210211
433003313132033213
5231104234011212
611232344400251
71111506144643
oct170367361747
945658527724
1016171000807
116949121285
123173776087
1316a9328c40
14ad5965c23
15649a229a7
hex3c3dde3e7

16171000807 has 16 divisors (see below), whose sum is σ = 17917039840. Its totient is φ = 14502799872.

The previous prime is 16171000801. The next prime is 16171000837. The reversal of 16171000807 is 70800017161.

It is a cyclic number.

It is not a de Polignac number, because 16171000807 - 27 = 16171000679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16171000801) 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 15 ways as a sum of consecutive naturals, for example, 63582 + ... + 190747.

It is an arithmetic number, because the mean of its divisors is an integer number (1119814990).

Almost surely, 216171000807 is an apocalyptic number.

16171000807 is the 63583-rd decagonal number.

16171000807 is a deficient number, since it is larger than the sum of its proper divisors (1746039033).

16171000807 is a wasteful number, since it uses less digits than its factorization.

16171000807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254482.

The product of its (nonzero) digits is 2352, while the sum is 31.

Adding to 16171000807 its reverse (70800017161), we get a palindrome (86971017968).

The spelling of 16171000807 in words is "sixteen billion, one hundred seventy-one million, eight hundred seven", and thus it is an aban number.

Divisors: 1 13 67 73 871 949 4891 63583 254329 3306277 17040043 18566017 221520559 241358221 1243923139 16171000807