Base | Representation |
---|---|
bin | 1010100001010011100… |
… | …0000001100001101110 |
3 | 122021112000001020121100 |
4 | 2220110320001201232 |
5 | 10430123121411240 |
6 | 215010312543530 |
7 | 16025606636232 |
oct | 2502470014156 |
9 | 567460036540 |
10 | 180738857070 |
11 | 6a718411462 |
12 | 2b0410b1ba6 |
13 | 14074a3a195 |
14 | 8a67daa5c2 |
15 | 4a7c503e30 |
hex | 2a14e0186e |
180738857070 has 48 divisors (see below), whose sum is σ = 470967728400. Its totient is φ = 48089674752.
The previous prime is 180738857051. The next prime is 180738857077. The reversal of 180738857070 is 70758837081.
It is a junction number, because it is equal to n+sod(n) for n = 180738856998 and 180738857016.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (180738857077) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2195904 + ... + 2276723.
It is an arithmetic number, because the mean of its divisors is an integer number (9811827675).
Almost surely, 2180738857070 is an apocalyptic number.
180738857070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
180738857070 is an abundant number, since it is smaller than the sum of its proper divisors (290228871330).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
180738857070 is a wasteful number, since it uses less digits than its factorization.
180738857070 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4473089 (or 4473086 counting only the distinct ones).
The product of its (nonzero) digits is 2634240, while the sum is 54.
The spelling of 180738857070 in words is "one hundred eighty billion, seven hundred thirty-eight million, eight hundred fifty-seven thousand, seventy".
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