Base | Representation |
---|---|
bin | 101111100110011001… |
… | …0110110101110010111 |
3 | 100202211220012200202001 |
4 | 1133030302312232113 |
5 | 3133321323144343 |
6 | 114543112100131 |
7 | 10246052531200 |
oct | 1371462665627 |
9 | 322756180661 |
10 | 102220131223 |
11 | 3a3956655a1 |
12 | 17989394647 |
13 | 984076c162 |
14 | 4d39c5c5a7 |
15 | 29d40d144d |
hex | 17cccb6b97 |
102220131223 has 24 divisors (see below), whose sum is σ = 123497568000. Its totient is φ = 84299504688.
The previous prime is 102220131217. The next prime is 102220131241. The reversal of 102220131223 is 322131022201.
It is not a de Polignac number, because 102220131223 - 29 = 102220130711 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 102220131223.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102220134223) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 240273 + ... + 512026.
It is an arithmetic number, because the mean of its divisors is an integer number (5145732000).
Almost surely, 2102220131223 is an apocalyptic number.
102220131223 is a deficient number, since it is larger than the sum of its proper divisors (21277436777).
102220131223 is an equidigital number, since it uses as much as digits as its factorization.
102220131223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 752419 (or 752412 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 19.
Adding to 102220131223 its reverse (322131022201), we get a palindrome (424351153424).
The spelling of 102220131223 in words is "one hundred two billion, two hundred twenty million, one hundred thirty-one thousand, two hundred twenty-three".
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