Base | Representation |
---|---|
bin | 10010000011010101010… |
… | …000110001010011001000 |
3 | 11101121000120021110202222 |
4 | 102003111100301103020 |
5 | 130311100300240423 |
6 | 2345520235313212 |
7 | 155424311322401 |
oct | 22032520612310 |
9 | 4347016243688 |
10 | 1240528524488 |
11 | 439118014430 |
12 | 18050a5ab808 |
13 | 8cc9accb846 |
14 | 44082d949a8 |
15 | 22407cc23c8 |
hex | 120d54314c8 |
1240528524488 has 32 divisors (see below), whose sum is σ = 2624942808000. Its totient is φ = 544432580160.
The previous prime is 1240528524481. The next prime is 1240528524491. The reversal of 1240528524488 is 8844258250421.
It is a super-2 number, since 2×12405285244882 (a number of 25 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (1240528524481) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243047708 + ... + 243052811.
It is an arithmetic number, because the mean of its divisors is an integer number (82029462750).
Almost surely, 21240528524488 is an apocalyptic number.
It is an amenable number.
1240528524488 is an abundant number, since it is smaller than the sum of its proper divisors (1384414283512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1240528524488 is a wasteful number, since it uses less digits than its factorization.
1240528524488 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 486100565 (or 486100561 counting only the distinct ones).
The product of its (nonzero) digits is 6553600, while the sum is 53.
The spelling of 1240528524488 in words is "one trillion, two hundred forty billion, five hundred twenty-eight million, five hundred twenty-four thousand, four hundred eighty-eight".
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