Base | Representation |
---|---|
bin | 10011001101000011100010… |
… | …10110010010001010001111 |
3 | 12112112011001201012201021212 |
4 | 21212201301112102022033 |
5 | 21013344040122334411 |
6 | 225452111534445035 |
7 | 11616006160240115 |
oct | 1146416126221217 |
9 | 175464051181255 |
10 | 42230020121231 |
11 | 125017184734a8 |
12 | 48a056436377b |
13 | 1a74373739737 |
14 | a5dd30011ab5 |
15 | 4d377691e68b |
hex | 26687159228f |
42230020121231 has 8 divisors (see below), whose sum is σ = 42618821704800. Its totient is φ = 41841243450720.
The previous prime is 42230020121147. The next prime is 42230020121351. The reversal of 42230020121231 is 13212102003224.
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 42230020121231 - 210 = 42230020120207 is a prime.
It is a super-2 number, since 2×422300201212312 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 42230020121197 and 42230020121206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42230020120231) 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, 2813891 + ... + 9611348.
It is an arithmetic number, because the mean of its divisors is an integer number (5327352713100).
Almost surely, 242230020121231 is an apocalyptic number.
42230020121231 is a deficient number, since it is larger than the sum of its proper divisors (388801583569).
42230020121231 is a wasteful number, since it uses less digits than its factorization.
42230020121231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12456529.
The product of its (nonzero) digits is 1152, while the sum is 23.
Adding to 42230020121231 its reverse (13212102003224), we get a palindrome (55442122124455).
The spelling of 42230020121231 in words is "forty-two trillion, two hundred thirty billion, twenty million, one hundred twenty-one thousand, two hundred thirty-one".
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