Base | Representation |
---|---|
bin | 10111011111100001001… |
… | …11110001010110000000 |
3 | 2212011111212101101101100 |
4 | 23233300213301112000 |
5 | 101211114113420140 |
6 | 1414453132134400 |
7 | 112214031306666 |
oct | 13576047612600 |
9 | 2764455341340 |
10 | 807195841920 |
11 | 29136a011296 |
12 | 110534307400 |
13 | 5b16ca120c0 |
14 | 2b0d5d00c36 |
15 | 15ee4de3530 |
hex | bbf09f1580 |
807195841920 has 1536 divisors, whose sum is σ = 3281639961600. Its totient is φ = 181149696000.
The previous prime is 807195841891. The next prime is 807195841943. The reversal of 807195841920 is 29148591708.
It is a happy number.
807195841920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 6161800255 + ... + 6161800385.
It is an arithmetic number, because the mean of its divisors is an integer number (2136484350).
Almost surely, 2807195841920 is an apocalyptic number.
807195841920 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 807195841920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1640819980800).
807195841920 is an abundant number, since it is smaller than the sum of its proper divisors (2474444119680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
807195841920 is a wasteful number, since it uses less digits than its factorization.
807195841920 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 320 (or 305 counting only the distinct ones).
The product of its (nonzero) digits is 1451520, while the sum is 54.
The spelling of 807195841920 in words is "eight hundred seven billion, one hundred ninety-five million, eight hundred forty-one thousand, nine hundred twenty".
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