Base | Representation |
---|---|
bin | 10010000011001001011… |
… | …100001110110100111110 |
3 | 11101120111202002200001120 |
4 | 102003021130032310332 |
5 | 130310144012434210 |
6 | 2345444432451410 |
7 | 155416352524104 |
oct | 22031134166476 |
9 | 4346452080046 |
10 | 1240330202430 |
11 | 439026078100 |
12 | 1804740a9b66 |
13 | 8cc68bb1207 |
14 | 440648cbc74 |
15 | 223e569a270 |
hex | 120c970ed3e |
1240330202430 has 96 divisors (see below), whose sum is σ = 3444222902400. Its totient is φ = 284860509120.
The previous prime is 1240330202407. The next prime is 1240330202473. The reversal of 1240330202430 is 342020330421.
It is a super-2 number, since 2×12403302024302 (a number of 25 digits) contains 22 as substring.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 1240330202430.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8922840 + ... + 9060779.
It is an arithmetic number, because the mean of its divisors is an integer number (35877321900).
Almost surely, 21240330202430 is an apocalyptic number.
1240330202430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1240330202430 is an abundant number, since it is smaller than the sum of its proper divisors (2203892699970).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1240330202430 is a wasteful number, since it uses less digits than its factorization.
1240330202430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17983670 (or 17983659 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 24.
Adding to 1240330202430 its reverse (342020330421), we get a palindrome (1582350532851).
The spelling of 1240330202430 in words is "one trillion, two hundred forty billion, three hundred thirty million, two hundred two thousand, four hundred thirty".
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