Base | Representation |
---|---|
bin | 100101011100011001… |
… | …0010111110001001110 |
3 | 21200112212220002222112 |
4 | 1022320302113301032 |
5 | 2304134330424010 |
6 | 100534545144022 |
7 | 5544424344410 |
oct | 1127062276116 |
9 | 250485802875 |
10 | 80409623630 |
11 | 31113155406 |
12 | 1370102b012 |
13 | 7775c6586b |
14 | 3c6b3269b0 |
15 | 2159433a05 |
hex | 12b8c97c4e |
80409623630 has 32 divisors (see below), whose sum is σ = 168535111104. Its totient is φ = 27048842496.
The previous prime is 80409623629. The next prime is 80409623669. The reversal of 80409623630 is 3632690408.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10833167 + ... + 10840586.
It is an arithmetic number, because the mean of its divisors is an integer number (5266722222).
Almost surely, 280409623630 is an apocalyptic number.
80409623630 is an abundant number, since it is smaller than the sum of its proper divisors (88125487474).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80409623630 is a wasteful number, since it uses less digits than its factorization.
80409623630 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21673820.
The product of its (nonzero) digits is 186624, while the sum is 41.
The spelling of 80409623630 in words is "eighty billion, four hundred nine million, six hundred twenty-three thousand, six hundred thirty".
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