Base | Representation |
---|---|
bin | 111110110001100110… |
… | …000110111110110100 |
3 | 20102222111122100220022 |
4 | 332301212012332310 |
5 | 2101020420113430 |
6 | 50544235024312 |
7 | 4604223054053 |
oct | 766146067664 |
9 | 212874570808 |
10 | 67404066740 |
11 | 26649924a8a |
12 | 1109159b098 |
13 | 648269977a |
14 | 3395d5239a |
15 | 1b477854e5 |
hex | fb1986fb4 |
67404066740 has 48 divisors (see below), whose sum is σ = 151039600320. Its totient is φ = 25192684800.
The previous prime is 67404066739. The next prime is 67404066799. The reversal of 67404066740 is 4766040476.
It is a junction number, because it is equal to n+sod(n) for n = 67404066691 and 67404066700.
It is a congruent number.
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, 1187186 + ... + 1242665.
It is an arithmetic number, because the mean of its divisors is an integer number (3146658340).
Almost surely, 267404066740 is an apocalyptic number.
It is an amenable number.
67404066740 is an abundant number, since it is smaller than the sum of its proper divisors (83635533580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67404066740 is a wasteful number, since it uses less digits than its factorization.
67404066740 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2429952 (or 2429950 counting only the distinct ones).
The product of its (nonzero) digits is 677376, while the sum is 44.
The spelling of 67404066740 in words is "sixty-seven billion, four hundred four million, sixty-six thousand, seven hundred forty".
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