Base | Representation |
---|---|
bin | 1001000111000001000101… |
… | …11010000101100111001111 |
3 | 2121221001220100022010211120 |
4 | 10203200202322011213033 |
5 | 10111202134124334411 |
6 | 110334415000252023 |
7 | 4135200252021255 |
oct | 443404272054717 |
9 | 77831810263746 |
10 | 20032313121231 |
11 | 6423724574304 |
12 | 22b6491171013 |
13 | b24067966408 |
14 | 4d37d798c5d5 |
15 | 24b146ac4106 |
hex | 123822e859cf |
20032313121231 has 8 divisors (see below), whose sum is σ = 26710232575920. Its totient is φ = 13354634540352.
The previous prime is 20032313121221. The next prime is 20032313121239. The reversal of 20032313121231 is 13212131323002.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20032313121231 - 26 = 20032313121167 is a prime.
It is a super-2 number, since 2×200323131212312 (a number of 27 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20032313121239) 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, 60024310 + ... + 60357123.
It is an arithmetic number, because the mean of its divisors is an integer number (3338779071990).
Almost surely, 220032313121231 is an apocalyptic number.
20032313121231 is a deficient number, since it is larger than the sum of its proper divisors (6677919454689).
20032313121231 is a wasteful number, since it uses less digits than its factorization.
20032313121231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 120436905.
The product of its (nonzero) digits is 1296, while the sum is 24.
Adding to 20032313121231 its reverse (13212131323002), we get a palindrome (33244444444233).
The spelling of 20032313121231 in words is "twenty trillion, thirty-two billion, three hundred thirteen million, one hundred twenty-one thousand, two hundred thirty-one".
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