Base | Representation |
---|---|
bin | 11111101001000011… |
… | …01101010111000000 |
3 | 1121211212202021100020 |
4 | 33310201231113000 |
5 | 234242232113021 |
6 | 11445350253440 |
7 | 1140651224460 |
oct | 176441552700 |
9 | 47755667306 |
10 | 16987379136 |
11 | 7227a29412 |
12 | 3361057280 |
13 | 17a94c4940 |
14 | b72155ba0 |
15 | 6965327c6 |
hex | 3f486d5c0 |
16987379136 has 112 divisors (see below), whose sum is σ = 55317932544. Its totient is φ = 4480183296.
The previous prime is 16987379117. The next prime is 16987379141. The reversal of 16987379136 is 63197378961.
16987379136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (112).
It is a self number, because there is not a number n which added to its sum of digits gives 16987379136.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 468660 + ... + 503603.
It is an arithmetic number, because the mean of its divisors is an integer number (493910112).
Almost surely, 216987379136 is an apocalyptic number.
16987379136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
16987379136 is an abundant number, since it is smaller than the sum of its proper divisors (38330553408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16987379136 is a wasteful number, since it uses less digits than its factorization.
16987379136 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 972298 (or 972288 counting only the distinct ones).
The product of its digits is 10287648, while the sum is 60.
The spelling of 16987379136 in words is "sixteen billion, nine hundred eighty-seven million, three hundred seventy-nine thousand, one hundred thirty-six".
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