Base | Representation |
---|---|
bin | 10001011111110110000… |
… | …001010111101110000100 |
3 | 11020221122221211002222212 |
4 | 101133312001113232010 |
5 | 124200030344230040 |
6 | 2320215151042552 |
7 | 152605113342461 |
oct | 21376601275604 |
9 | 4227587732885 |
10 | 1202423430020 |
11 | 423a43751a1a |
12 | 175055210458 |
13 | 895076b8077 |
14 | 422aa326668 |
15 | 2142783dd65 |
hex | 117f6057b84 |
1202423430020 has 12 divisors (see below), whose sum is σ = 2525089203084. Its totient is φ = 480969372000.
The previous prime is 1202423430007. The next prime is 1202423430029. The reversal of 1202423430020 is 200343242021.
It can be written as a sum of positive squares in 2 ways, for example, as 290081342464 + 912342087556 = 538592^2 + 955166^2 .
It is a super-2 number, since 2×12024234300202 (a number of 25 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1202423430029) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30060585731 + ... + 30060585770.
It is an arithmetic number, because the mean of its divisors is an integer number (210424100257).
Almost surely, 21202423430020 is an apocalyptic number.
1202423430020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1202423430020 is an abundant number, since it is smaller than the sum of its proper divisors (1322665773064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1202423430020 is a wasteful number, since it uses less digits than its factorization.
1202423430020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 60121171510 (or 60121171508 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 23.
Adding to 1202423430020 its reverse (200343242021), we get a palindrome (1402766672041).
The spelling of 1202423430020 in words is "one trillion, two hundred two billion, four hundred twenty-three million, four hundred thirty thousand, twenty".
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