Base | Representation |
---|---|
bin | 1100111111001110101… |
… | …0001000011010100110 |
3 | 210022221101210102122210 |
4 | 3033303222020122212 |
5 | 12123433044140402 |
6 | 250301032504250 |
7 | 22056254150541 |
oct | 3176352103246 |
9 | 708841712583 |
10 | 223131240102 |
11 | 866a184a261 |
12 | 372b224b086 |
13 | 1806c63c3b4 |
14 | ab2a1b3858 |
15 | 5c0e05a06c |
hex | 33f3a886a6 |
223131240102 has 64 divisors (see below), whose sum is σ = 459902064384. Its totient is φ = 72141133440.
The previous prime is 223131240089. The next prime is 223131240103. The reversal of 223131240102 is 201042131322.
It is a super-3 number, since 3×2231312401023 (a number of 35 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (223131240103) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16913953 + ... + 16927139.
It is an arithmetic number, because the mean of its divisors is an integer number (7185969756).
Almost surely, 2223131240102 is an apocalyptic number.
223131240102 is an abundant number, since it is smaller than the sum of its proper divisors (236770824282).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
223131240102 is a wasteful number, since it uses less digits than its factorization.
223131240102 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13893.
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 223131240102 its reverse (201042131322), we get a palindrome (424173371424).
The spelling of 223131240102 in words is "two hundred twenty-three billion, one hundred thirty-one million, two hundred forty thousand, one hundred two".
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