| Base | Representation |
|---|---|
| bin | 101000001011010110… |
| … | …100000000011100100 |
| 3 | 11010100111202012110000 |
| 4 | 220023112200003210 |
| 5 | 1201322332331204 |
| 6 | 31452430301300 |
| 7 | 3055023655644 |
| oct | 501326400344 |
| 9 | 133314665400 |
| 10 | 43140120804 |
| 11 | 17328523300 |
| 12 | 843b657830 |
| 13 | 40b67b7101 |
| 14 | 213364a524 |
| 15 | 11c7508039 |
| hex | a0b5a00e4 |
43140120804 has 135 divisors (see below), whose sum is σ = 124079556601. Its totient is φ = 13060301760.
The previous prime is 43140120797. The next prime is 43140120811. The reversal of 43140120804 is 40802104134.
The square root of 43140120804 is 207702.
It is a perfect power (a square), and thus also a powerful number.
It is an interprime number because it is at equal distance from previous prime (43140120797) and next prime (43140120811).
It can be written as a sum of positive squares in only one way, i.e., 39125631204 + 4014489600 = 197802^2 + 63360^2 .
It is a super-2 number, since 2×431401208042 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 41124472 + ... + 41125520.
Almost surely, 243140120804 is an apocalyptic number.
43140120804 is a gapful number since it is divisible by the number (44) formed by its first and last digit.
43140120804 is the 207702-nd square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 43140120804
43140120804 is an abundant number, since it is smaller than the sum of its proper divisors (80939435797).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
43140120804 is a wasteful number, since it uses less digits than its factorization.
43140120804 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2136 (or 1065 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 27.
Adding to 43140120804 its reverse (40802104134), we get a palindrome (83942224938).
The spelling of 43140120804 in words is "forty-three billion, one hundred forty million, one hundred twenty thousand, eight hundred four".
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