Base | Representation |
---|---|
bin | 10010000011111110000… |
… | …100111111000111111000 |
3 | 11101122210021210201212220 |
4 | 102003332010333013320 |
5 | 130314001101114430 |
6 | 2350112220404040 |
7 | 155450264661153 |
oct | 22037604770770 |
9 | 4348707721786 |
10 | 1241213301240 |
11 | 439439606330 |
12 | 18067b9a6620 |
13 | 90079b3aaa3 |
14 | 44109cc8c9a |
15 | 22447e89110 |
hex | 120fe13f1f8 |
1241213301240 has 128 divisors (see below), whose sum is σ = 4065384556800. Its totient is φ = 300660792320.
The previous prime is 1241213301217. The next prime is 1241213301269. The reversal of 1241213301240 is 421033121421.
It is a super-2 number, since 2×12412133012402 (a number of 25 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a self number, because there is not a number n which added to its sum of digits gives 1241213301240.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1288444 + ... + 2035316.
It is an arithmetic number, because the mean of its divisors is an integer number (31760816850).
Almost surely, 21241213301240 is an apocalyptic number.
1241213301240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1241213301240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2032692278400).
1241213301240 is an abundant number, since it is smaller than the sum of its proper divisors (2824171255560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1241213301240 is a wasteful number, since it uses less digits than its factorization.
1241213301240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 748157 (or 748153 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 24.
Adding to 1241213301240 its reverse (421033121421), we get a palindrome (1662246422661).
The spelling of 1241213301240 in words is "one trillion, two hundred forty-one billion, two hundred thirteen million, three hundred one thousand, two hundred forty".
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