Base | Representation |
---|---|
bin | 11110000111000000… |
… | …11110011000111001 |
3 | 1112201120020122221222 |
4 | 33003200132120321 |
5 | 231101213101324 |
6 | 11232011241425 |
7 | 1111403665340 |
oct | 170340363071 |
9 | 45646218858 |
10 | 16164972089 |
11 | 6945783872 |
12 | 3171749275 |
13 | 16a7cc7b56 |
14 | ad4c36b57 |
15 | 64923155e |
hex | 3c381e639 |
16164972089 has 8 divisors (see below), whose sum is σ = 18609103488. Its totient is φ = 13754553120.
The previous prime is 16164972037. The next prime is 16164972107. The reversal of 16164972089 is 98027946161.
16164972089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 16164972089 - 220 = 16163923513 is a prime.
It is a super-2 number, since 2×161649720892 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 16164972089.
It is not an unprimeable number, because it can be changed into a prime (16164975089) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 8427077 + ... + 8428994.
It is an arithmetic number, because the mean of its divisors is an integer number (2326137936).
Almost surely, 216164972089 is an apocalyptic number.
It is an amenable number.
16164972089 is a deficient number, since it is larger than the sum of its proper divisors (2444131399).
16164972089 is a wasteful number, since it uses less digits than its factorization.
16164972089 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16856215.
The product of its (nonzero) digits is 1306368, while the sum is 53.
The spelling of 16164972089 in words is "sixteen billion, one hundred sixty-four million, nine hundred seventy-two thousand, eighty-nine".
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