Base | Representation |
---|---|
bin | 1010000101110110… |
… | …1010001010111000 |
3 | 20222210021201101001 |
4 | 2201131222022320 |
5 | 21021440003210 |
6 | 1124445134344 |
7 | 124062220054 |
oct | 24135521270 |
9 | 6883251331 |
10 | 2708906680 |
11 | 117011a757 |
12 | 63725a3b4 |
13 | 3422b477c |
14 | 1b9ab0c64 |
15 | 10cc4403a |
hex | a176a2b8 |
2708906680 has 32 divisors (see below), whose sum is σ = 6100869600. Its totient is φ = 1082526336.
The previous prime is 2708906663. The next prime is 2708906737. The reversal of 2708906680 is 866098072.
It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 2708906680.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10666 + ... + 74374.
It is an arithmetic number, because the mean of its divisors is an integer number (190652175).
Almost surely, 22708906680 is an apocalyptic number.
2708906680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2708906680 is an abundant number, since it is smaller than the sum of its proper divisors (3391962920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2708906680 is a wasteful number, since it uses less digits than its factorization.
2708906680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 64783 (or 64779 counting only the distinct ones).
The product of its (nonzero) digits is 290304, while the sum is 46.
The square root of 2708906680 is about 52047.1582317421. The cubic root of 2708906680 is about 1394.0061230928.
The spelling of 2708906680 in words is "two billion, seven hundred eight million, nine hundred six thousand, six hundred eighty".
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