Base | Representation |
---|---|
bin | 101010100001111000001011… |
… | …001101000101101001001001 |
3 | 220112021102110022001202100210 |
4 | 222201320023031011221021 |
5 | 144004030214003034121 |
6 | 1501451430310351333 |
7 | 54253425405600510 |
oct | 5241701315055111 |
9 | 815242408052323 |
10 | 187046013721161 |
11 | 54664850514391 |
12 | 18b8a92b65b549 |
13 | 804a49554730a |
14 | 342910ab4b677 |
15 | 1695769337876 |
hex | aa1e0b345a49 |
187046013721161 has 32 divisors (see below), whose sum is σ = 294922795392000. Its totient is φ = 103172622960960.
The previous prime is 187046013721139. The next prime is 187046013721253. The reversal of 187046013721161 is 161127310640781.
It is not a de Polignac number, because 187046013721161 - 225 = 187045980166729 is a prime.
It is a super-2 number, since 2×1870460137211612 (a number of 29 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 187046013721161.
It is not an unprimeable number, because it can be changed into a prime (187046013721121) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34968495 + ... + 39961076.
It is an arithmetic number, because the mean of its divisors is an integer number (9216337356000).
Almost surely, 2187046013721161 is an apocalyptic number.
It is an amenable number.
187046013721161 is a deficient number, since it is larger than the sum of its proper divisors (107876781670839).
187046013721161 is a wasteful number, since it uses less digits than its factorization.
187046013721161 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 74933709.
The product of its (nonzero) digits is 338688, while the sum is 48.
The spelling of 187046013721161 in words is "one hundred eighty-seven trillion, forty-six billion, thirteen million, seven hundred twenty-one thousand, one hundred sixty-one".
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