Base | Representation |
---|---|
bin | 100101100100100001… |
… | …0010110100011010010 |
3 | 21201020212212212212022 |
4 | 1023021002112203102 |
5 | 2310214123422102 |
6 | 101022004331442 |
7 | 5554244540000 |
oct | 1131102264322 |
9 | 251225785768 |
10 | 80682248402 |
11 | 31243031438 |
12 | 137783a3b82 |
13 | 77ba59a2b2 |
14 | 3c95611a70 |
15 | 21733365a2 |
hex | 12c90968d2 |
80682248402 has 30 divisors (see below), whose sum is σ = 141219986103. Its totient is φ = 34569670716.
The previous prime is 80682248371. The next prime is 80682248407. The reversal of 80682248402 is 20484228608.
It can be written as a sum of positive squares in only one way, i.e., 40341124201 + 40341124201 = 200851^2 + 200851^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=200851.
It is not an unprimeable number, because it can be changed into a prime (80682248407) by changing a digit.
It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 19681349 + ... + 19685447.
Almost surely, 280682248402 is an apocalyptic number.
80682248402 is a deficient number, since it is larger than the sum of its proper divisors (60537737701).
80682248402 is an frugal number, since it uses more digits than its factorization.
80682248402 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8228 (or 4108 counting only the distinct ones).
The product of its (nonzero) digits is 393216, while the sum is 44.
The spelling of 80682248402 in words is "eighty billion, six hundred eighty-two million, two hundred forty-eight thousand, four hundred two".
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