Base | Representation |
---|---|
bin | 10001110011000001101… |
… | …110111110101110100110 |
3 | 11022220211102211121201200 |
4 | 101303001232332232212 |
5 | 130014221340432220 |
6 | 2333503105103330 |
7 | 154234413142332 |
oct | 21630156765646 |
9 | 4286742747650 |
10 | 1223021030310 |
11 | 43175353a982 |
12 | 179043327b46 |
13 | 8b43ab2b231 |
14 | 432a1b2c7c2 |
15 | 21c30ca1890 |
hex | 11cc1bbeba6 |
1223021030310 has 48 divisors (see below), whose sum is σ = 3212636708736. Its totient is φ = 322776681984.
The previous prime is 1223021030227. The next prime is 1223021030321. The reversal of 1223021030310 is 130301203221.
1223021030310 is a `hidden beast` number, since 1 + 22 + 302 + 1 + 0 + 30 + 310 = 666.
It is a super-2 number, since 2×12230210303102 (a number of 25 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
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, 70038294 + ... + 70055753.
It is an arithmetic number, because the mean of its divisors is an integer number (66929931432).
Almost surely, 21223021030310 is an apocalyptic number.
1223021030310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1223021030310 is an abundant number, since it is smaller than the sum of its proper divisors (1989615678426).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1223021030310 is a wasteful number, since it uses less digits than its factorization.
1223021030310 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 140094157 (or 140094154 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 1223021030310 its reverse (130301203221), we get a palindrome (1353322233531).
The spelling of 1223021030310 in words is "one trillion, two hundred twenty-three billion, twenty-one million, thirty thousand, three hundred ten".
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