Base | Representation |
---|---|
bin | 10010000011110011010… |
… | …001011001011001100100 |
3 | 11101122022122122221111111 |
4 | 102003303101121121210 |
5 | 130313113143131340 |
6 | 2350042222514404 |
7 | 155442633664300 |
oct | 22036321313144 |
9 | 4348278587444 |
10 | 1241032005220 |
11 | 439356238a07 |
12 | 18062b135a04 |
13 | 9004b402037 |
14 | 440cdbb4d00 |
15 | 224370c6aea |
hex | 120f3459664 |
1241032005220 has 72 divisors (see below), whose sum is σ = 3209997112056. Its totient is φ = 400467465216.
The previous prime is 1241032005217. The next prime is 1241032005223. The reversal of 1241032005220 is 225002301421.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (1241032005217) and next prime (1241032005223).
It can be written as a sum of positive squares in 4 ways, for example, as 11998135296 + 1229033869924 = 109536^2 + 1108618^2 .
It is a junction number, because it is equal to n+sod(n) for n = 1241032005191 and 1241032005200.
It is not an unprimeable number, because it can be changed into a prime (1241032005223) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37229199 + ... + 37262518.
It is an arithmetic number, because the mean of its divisors is an integer number (44583293223).
Almost surely, 21241032005220 is an apocalyptic number.
1241032005220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1241032005220 is an abundant number, since it is smaller than the sum of its proper divisors (1968965106836).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1241032005220 is a wasteful number, since it uses less digits than its factorization.
1241032005220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 74491757 (or 74491748 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 22.
Adding to 1241032005220 its reverse (225002301421), we get a palindrome (1466034306641).
The spelling of 1241032005220 in words is "one trillion, two hundred forty-one billion, thirty-two million, five thousand, two hundred twenty".
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