Base | Representation |
---|---|
bin | 110010101110111111001000… |
… | …000010001011110000001001 |
3 | 1002021001010122010002112012110 |
4 | 302232333020002023300021 |
5 | 213221240200203310441 |
6 | 2110321020433332533 |
7 | 64666461123310536 |
oct | 6256771002136011 |
9 | 1067033563075173 |
10 | 223131202010121 |
11 | 65107458575189 |
12 | 210383a4107149 |
13 | 9767249cc3712 |
14 | 3d15871b37d8d |
15 | 1abe24bcb3b16 |
hex | caefc808bc09 |
223131202010121 has 8 divisors (see below), whose sum is σ = 298446781238784. Its totient is φ = 148284878727440.
The previous prime is 223131202010089. The next prime is 223131202010131. The reversal of 223131202010121 is 121010202131322.
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 223131202010121 - 25 = 223131202010089 is a prime.
It is a super-3 number, since 3×2231312020101213 (a number of 44 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (223131202010131) 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, 117313985385 + ... + 117313987286.
It is an arithmetic number, because the mean of its divisors is an integer number (37305847654848).
Almost surely, 2223131202010121 is an apocalyptic number.
It is an amenable number.
223131202010121 is a deficient number, since it is larger than the sum of its proper divisors (75315579228663).
223131202010121 is a wasteful number, since it uses less digits than its factorization.
223131202010121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 234627972991.
The product of its (nonzero) digits is 288, while the sum is 21.
Adding to 223131202010121 its reverse (121010202131322), we get a palindrome (344141404141443).
The spelling of 223131202010121 in words is "two hundred twenty-three trillion, one hundred thirty-one billion, two hundred two million, ten thousand, one hundred twenty-one".
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