Base | Representation |
---|---|
bin | 100000000100010000… |
… | …000000111100101100 |
3 | 10021212120002022222110 |
4 | 200010100000330230 |
5 | 1031003321423140 |
6 | 23452320444020 |
7 | 2326143025422 |
oct | 400420007454 |
9 | 107776068873 |
10 | 34431045420 |
11 | 13669478042 |
12 | 680aa79610 |
13 | 33293a7b75 |
14 | 1948b25112 |
15 | d67b46380 |
hex | 804400f2c |
34431045420 has 48 divisors (see below), whose sum is σ = 96714989280. Its totient is φ = 9152272896.
The previous prime is 34431045403. The next prime is 34431045443. The reversal of 34431045420 is 2454013443.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 897915 + ... + 935474.
It is an arithmetic number, because the mean of its divisors is an integer number (2014895610).
Almost surely, 234431045420 is an apocalyptic number.
34431045420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
34431045420 is an abundant number, since it is smaller than the sum of its proper divisors (62283943860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
34431045420 is a wasteful number, since it uses less digits than its factorization.
34431045420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1833714 (or 1833712 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 30.
Adding to 34431045420 its reverse (2454013443), we get a palindrome (36885058863).
The spelling of 34431045420 in words is "thirty-four billion, four hundred thirty-one million, forty-five thousand, four hundred twenty".
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