Base | Representation |
---|---|
bin | 100101101110000000… |
… | …1100010010011001010 |
3 | 21202002002022001112112 |
4 | 1023130001202103022 |
5 | 2311342201121412 |
6 | 101113344142322 |
7 | 5565163311116 |
oct | 1133401422312 |
9 | 252062261475 |
10 | 81000801482 |
11 | 31396928047 |
12 | 138470079a2 |
13 | 783b592a43 |
14 | 3cc5a54746 |
15 | 21912ac722 |
hex | 12dc0624ca |
81000801482 has 16 divisors (see below), whose sum is σ = 128357737440. Its totient is φ = 38230280208.
The previous prime is 81000801403. The next prime is 81000801491. The reversal of 81000801482 is 28410800018.
It is a super-2 number, since 2×810008014822 (a number of 23 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3837128 + ... + 3858179.
It is an arithmetic number, because the mean of its divisors is an integer number (8022358590).
Almost surely, 281000801482 is an apocalyptic number.
81000801482 is a deficient number, since it is larger than the sum of its proper divisors (47356935958).
81000801482 is a wasteful number, since it uses less digits than its factorization.
81000801482 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7695605.
The product of its (nonzero) digits is 4096, while the sum is 32.
The spelling of 81000801482 in words is "eighty-one billion, eight hundred one thousand, four hundred eighty-two".
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