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180738857070 = 23254494472627
BaseRepresentation
bin1010100001010011100…
…0000001100001101110
3122021112000001020121100
42220110320001201232
510430123121411240
6215010312543530
716025606636232
oct2502470014156
9567460036540
10180738857070
116a718411462
122b0410b1ba6
1314074a3a195
148a67daa5c2
154a7c503e30
hex2a14e0186e

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".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 449 898 1347 2245 2694 4041 4490 6735 8082 13470 20205 40410 4472627 8945254 13417881 22363135 26835762 40253643 44726270 67089405 80507286 134178810 201268215 402536430 2008209523 4016419046 6024628569 10041047615 12049257138 18073885707 20082095230 30123142845 36147771414 60246285690 90369428535 180738857070