Base | Representation |
---|---|
bin | 1010011101011001… |
… | …1101101111011101 |
3 | 21020200011010110120 |
4 | 2213112131233131 |
5 | 21222231342221 |
6 | 1142334225153 |
7 | 126401630550 |
oct | 24726355735 |
9 | 7220133416 |
10 | 2807684061 |
11 | 1210956656 |
12 | 6643551b9 |
13 | 3598ba920 |
14 | 1c8c64697 |
15 | 1167565c6 |
hex | a759dbdd |
2807684061 has 32 divisors (see below), whose sum is σ = 4732025088. Its totient is φ = 1440944640.
The previous prime is 2807684051. The next prime is 2807684069. The reversal of 2807684061 is 1604867082.
It is not a de Polignac number, because 2807684061 - 25 = 2807684029 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2807684069) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128880 + ... + 149081.
It is an arithmetic number, because the mean of its divisors is an integer number (147875784).
Almost surely, 22807684061 is an apocalyptic number.
2807684061 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
2807684061 is a deficient number, since it is larger than the sum of its proper divisors (1924341027).
2807684061 is a wasteful number, since it uses less digits than its factorization.
2807684061 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 278021.
The product of its (nonzero) digits is 129024, while the sum is 42.
The square root of 2807684061 is about 52987.5840268265. The cubic root of 2807684061 is about 1410.7478990859.
The spelling of 2807684061 in words is "two billion, eight hundred seven million, six hundred eighty-four thousand, sixty-one".
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