Base | Representation |
---|---|
bin | 1001001100001101111010… |
… | …11110100011101110000011 |
3 | 2122120011010100020201110121 |
4 | 10212012331132203232003 |
5 | 10122114112002012011 |
6 | 110552445533041111 |
7 | 4154124264504256 |
oct | 446067536435603 |
9 | 78504110221417 |
10 | 20211000032131 |
11 | 6492489689187 |
12 | 232503b026197 |
13 | b37b7353c05c |
14 | 4dc30921b09d |
15 | 250b03da3e71 |
hex | 1261bd7a3b83 |
20211000032131 has 8 divisors (see below), whose sum is σ = 20388061480640. Its totient is φ = 20034390849192.
The previous prime is 20211000032053. The next prime is 20211000032203. The reversal of 20211000032131 is 13123000011202.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20211000032131 - 29 = 20211000031619 is a prime.
It is a super-2 number, since 2×202110000321312 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20211000042131) 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, 112976625 + ... + 113155378.
It is an arithmetic number, because the mean of its divisors is an integer number (2548507685080).
Almost surely, 220211000032131 is an apocalyptic number.
20211000032131 is a deficient number, since it is larger than the sum of its proper divisors (177061448509).
20211000032131 is a wasteful number, since it uses less digits than its factorization.
20211000032131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 226132785.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 20211000032131 its reverse (13123000011202), we get a palindrome (33334000043333).
The spelling of 20211000032131 in words is "twenty trillion, two hundred eleven billion, thirty-two thousand, one hundred thirty-one".
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