Base | Representation |
---|---|
bin | 100011110101000001… |
… | …0010110101010010000 |
3 | 21100121010221012102020 |
4 | 1013222002112222100 |
5 | 2230033334222210 |
6 | 55202435051440 |
7 | 5362445053146 |
oct | 1075202265220 |
9 | 240533835366 |
10 | 76940929680 |
11 | 2a6a317029a |
12 | 12ab3440b80 |
13 | 734243a834 |
14 | 3a1c797596 |
15 | 2004b5c770 |
hex | 11ea096a90 |
76940929680 has 160 divisors (see below), whose sum is σ = 252682934400. Its totient is φ = 19300294656.
The previous prime is 76940929669. The next prime is 76940929693. The reversal of 76940929680 is 8692904967.
It is a Harshad number since it is a multiple of its sum of digits (60).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10028886 + ... + 10036554.
It is an arithmetic number, because the mean of its divisors is an integer number (1579268340).
Almost surely, 276940929680 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 76940929680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126341467200).
76940929680 is an abundant number, since it is smaller than the sum of its proper divisors (175742004720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
76940929680 is a wasteful number, since it uses less digits than its factorization.
76940929680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10161 (or 10155 counting only the distinct ones).
The product of its (nonzero) digits is 11757312, while the sum is 60.
The spelling of 76940929680 in words is "seventy-six billion, nine hundred forty million, nine hundred twenty-nine thousand, six hundred eighty".
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