Search a number
-
+
16109807751 = 3259251120871
BaseRepresentation
bin11110000000011100…
…00010100010000111
31112120201110000201100
433000032002202013
5230443102322001
611222321031143
71110134051352
oct170016024207
945521400640
1016109807751
116917626004
1231571854b3
131699751c2b
14acb797299
15644486586
hex3c0382887

16109807751 has 24 divisors (see below), whose sum is σ = 23758600320. Its totient is φ = 10515690000.

The previous prime is 16109807741. The next prime is 16109807783. The reversal of 16109807751 is 15770890161.

It is not a de Polignac number, because 16109807751 - 26 = 16109807687 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16109807697 and 16109807706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16109807711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72846 + ... + 193716.

It is an arithmetic number, because the mean of its divisors is an integer number (989941680).

Almost surely, 216109807751 is an apocalyptic number.

16109807751 is a deficient number, since it is larger than the sum of its proper divisors (7648792569).

16109807751 is a wasteful number, since it uses less digits than its factorization.

16109807751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121187 (or 121184 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 45.

The spelling of 16109807751 in words is "sixteen billion, one hundred nine million, eight hundred seven thousand, seven hundred fifty-one".

Divisors: 1 3 9 59 177 251 531 753 2259 14809 44427 120871 133281 362613 1087839 7131389 21394167 30338621 64182501 91015863 273047589 1789978639 5369935917 16109807751