Search a number
-
+
16128585119 = 197867107903
BaseRepresentation
bin11110000010101011…
…01010110110011111
31112122000210000102102
433001111222312133
5231012404210434
611224231315315
71110452466023
oct170125526637
945560700372
1016128585119
116927190799
12316151bb3b
1316a05c79ba
14ad0084383
15645e4507e
hex3c156ad9f

16128585119 has 8 divisors (see below), whose sum is σ = 16979773440. Its totient is φ = 15277628376.

The previous prime is 16128585107. The next prime is 16128585133. The reversal of 16128585119 is 91158582161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16128585119 - 228 = 15860149663 is a prime.

It is a super-2 number, since 2×161285851192 (a number of 21 digits) contains 22 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 (16128585169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95522 + ... + 203424.

It is an arithmetic number, because the mean of its divisors is an integer number (2122471680).

Almost surely, 216128585119 is an apocalyptic number.

16128585119 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

16128585119 is a deficient number, since it is larger than the sum of its proper divisors (851188321).

16128585119 is a wasteful number, since it uses less digits than its factorization.

16128585119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115789.

The product of its digits is 172800, while the sum is 47.

The spelling of 16128585119 in words is "sixteen billion, one hundred twenty-eight million, five hundred eighty-five thousand, one hundred nineteen".

Divisors: 1 19 7867 107903 149473 2050157 848872901 16128585119