Base | Representation |
---|---|
bin | 101000001010001011… |
… | …100001011000000000 |
3 | 11010022010202121022101 |
4 | 220022023201120000 |
5 | 1201302314343113 |
6 | 31450445120144 |
7 | 3054364623406 |
oct | 501213413000 |
9 | 133263677271 |
10 | 43120465408 |
11 | 17318418979 |
12 | 8434b59054 |
13 | 40b26c47b7 |
14 | 2130bb1476 |
15 | 11c59242dd |
hex | a0a2e1600 |
43120465408 has 80 divisors (see below), whose sum is σ = 88623390240. Its totient is φ = 20944797696.
The previous prime is 43120465373. The next prime is 43120465447. The reversal of 43120465408 is 80456402134.
It is a Harshad number since it is a multiple of its sum of digits (37).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15892660 + ... + 15895372.
It is an arithmetic number, because the mean of its divisors is an integer number (1107792378).
Almost surely, 243120465408 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 43120465408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44311695120).
43120465408 is an abundant number, since it is smaller than the sum of its proper divisors (45502924832).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
43120465408 is an equidigital number, since it uses as much as digits as its factorization.
43120465408 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3607 (or 3591 counting only the distinct ones).
The product of its (nonzero) digits is 92160, while the sum is 37.
The spelling of 43120465408 in words is "forty-three billion, one hundred twenty million, four hundred sixty-five thousand, four hundred eight".
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