Base | Representation |
---|---|
bin | 1010100001001101011010… |
… | …00011101001000110101001 |
3 | 10000220022221020011211101120 |
4 | 11100212231003221012221 |
5 | 11012440401342131441 |
6 | 121110212405405453 |
7 | 4605116143312356 |
oct | 520465503510651 |
9 | 100808836154346 |
10 | 23131302302121 |
11 | 7408a26132792 |
12 | 2717002409889 |
13 | cba37074b220 |
14 | 59d7bd57d62d |
15 | 2a1a71935966 |
hex | 1509ad0e91a9 |
23131302302121 has 8 divisors (see below), whose sum is σ = 33214177664640. Its totient is φ = 14234647570512.
The previous prime is 23131302302099. The next prime is 23131302302123. The reversal of 23131302302121 is 12120320313132.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 23131302302121 - 27 = 23131302301993 is a prime.
It is a super-2 number, since 2×231313023021212 (a number of 28 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 23131302302091 and 23131302302100.
It is not an unprimeable number, because it can be changed into a prime (23131302302123) 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, 296555157681 + ... + 296555157758.
It is an arithmetic number, because the mean of its divisors is an integer number (4151772208080).
Almost surely, 223131302302121 is an apocalyptic number.
It is an amenable number.
23131302302121 is a deficient number, since it is larger than the sum of its proper divisors (10082875362519).
23131302302121 is a wasteful number, since it uses less digits than its factorization.
23131302302121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 593110315455.
The product of its (nonzero) digits is 1296, while the sum is 24.
Adding to 23131302302121 its reverse (12120320313132), we get a palindrome (35251622615253).
The spelling of 23131302302121 in words is "twenty-three trillion, one hundred thirty-one billion, three hundred two million, three hundred two thousand, one hundred twenty-one".
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