Base | Representation |
---|---|
bin | 10010010010111110110100… |
… | …100110111010101110100000 |
3 | 101112220210011212012022221200 |
4 | 102102332310212322232200 |
5 | 41021402002023011311 |
6 | 443051020513321200 |
7 | 22643465561462622 |
oct | 2222766446725640 |
9 | 345823155168850 |
10 | 80469242391456 |
11 | 237048a5557046 |
12 | 903758a566200 |
13 | 35b92a8988209 |
14 | 15c2a36cbac12 |
15 | 9482ca191556 |
hex | 492fb49baba0 |
80469242391456 has 144 divisors (see below), whose sum is σ = 239671407306240. Its totient is φ = 25561480665600.
The previous prime is 80469242391403. The next prime is 80469242391457. The reversal of 80469242391456 is 65419324296408.
80469242391456 is a `hidden beast` number, since 8 + 0 + 4 + 6 + 92 + 4 + 2 + 3 + 91 + 456 = 666.
It is a tau number, because it is divible by the number of its divisors (144).
It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 80469242391393 and 80469242391402.
It is not an unprimeable number, because it can be changed into a prime (80469242391457) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20798320 + ... + 24362031.
It is an arithmetic number, because the mean of its divisors is an integer number (1664384772960).
Almost surely, 280469242391456 is an apocalyptic number.
It is an amenable number.
80469242391456 is an abundant number, since it is smaller than the sum of its proper divisors (159202164914784).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80469242391456 is a wasteful number, since it uses less digits than its factorization.
80469242391456 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45160659 (or 45160648 counting only the distinct ones).
The product of its (nonzero) digits is 89579520, while the sum is 63.
The spelling of 80469242391456 in words is "eighty trillion, four hundred sixty-nine billion, two hundred forty-two million, three hundred ninety-one thousand, four hundred fifty-six".
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