Base | Representation |
---|---|
bin | 101111001000100110… |
… | …0110110100010000110 |
3 | 100200021012212200021201 |
4 | 1132101030312202012 |
5 | 3124244400010342 |
6 | 114255554333114 |
7 | 10212222316000 |
oct | 1362114664206 |
9 | 320235780251 |
10 | 101220313222 |
11 | 39a22256526 |
12 | 1774a58a19a |
13 | 9711596a82 |
14 | 4c8315b370 |
15 | 2976438db7 |
hex | 1791336886 |
101220313222 has 16 divisors (see below), whose sum is σ = 177061773600. Its totient is φ = 43380133944.
The previous prime is 101220313213. The next prime is 101220313223. The reversal of 101220313222 is 222313022101.
It is a self number, because there is not a number n which added to its sum of digits gives 101220313222.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (101220313223) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73775053 + ... + 73776424.
It is an arithmetic number, because the mean of its divisors is an integer number (11066360850).
Almost surely, 2101220313222 is an apocalyptic number.
101220313222 is a deficient number, since it is larger than the sum of its proper divisors (75841460378).
101220313222 is an equidigital number, since it uses as much as digits as its factorization.
101220313222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 147551500 (or 147551486 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 19.
Adding to 101220313222 its reverse (222313022101), we get a palindrome (323533335323).
The spelling of 101220313222 in words is "one hundred one billion, two hundred twenty million, three hundred thirteen thousand, two hundred twenty-two".
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