Base | Representation |
---|---|
bin | 1001001111101011110011… |
… | …01101011111100101000100 |
3 | 2122222112121011120212111200 |
4 | 10213311321231133211010 |
5 | 10131042042234242212 |
6 | 111123310150102500 |
7 | 4165542244166604 |
oct | 447657155374504 |
9 | 78875534525450 |
10 | 20330122180932 |
11 | 6528a57a69743 |
12 | 234414494aa30 |
13 | b461788b6235 |
14 | 503da9b30c04 |
15 | 253c76c556dc |
hex | 127d79b5f944 |
20330122180932 has 18 divisors (see below), whose sum is σ = 51390031068558. Its totient is φ = 6776707393632.
The previous prime is 20330122180931. The next prime is 20330122180961. The reversal of 20330122180932 is 23908122103302.
It is a happy number.
20330122180932 is a `hidden beast` number, since 20 + 3 + 301 + 221 + 80 + 9 + 32 = 666.
It can be written as a sum of positive squares in only one way, i.e., 19559178475776 + 770943705156 = 4422576^2 + 878034^2 .
It is a tau number, because it is divible by the number of its divisors (18).
It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 564725616137 = 20330122180932 / (2 + 0 + 3 + 3 + 0 + 1 + 2 + 2 + 1 + 8 + 0 + 9 + 3 + 2).
It is not an unprimeable number, because it can be changed into a prime (20330122180931) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 282362808033 + ... + 282362808104.
It is an arithmetic number, because the mean of its divisors is an integer number (2855001726031).
Almost surely, 220330122180932 is an apocalyptic number.
It is an amenable number.
20330122180932 is an abundant number, since it is smaller than the sum of its proper divisors (31059908887626).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20330122180932 is a wasteful number, since it uses less digits than its factorization.
20330122180932 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 564725616147 (or 564725616142 counting only the distinct ones).
The product of its (nonzero) digits is 31104, while the sum is 36.
The spelling of 20330122180932 in words is "twenty trillion, three hundred thirty billion, one hundred twenty-two million, one hundred eighty thousand, nine hundred thirty-two".
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