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169889066372 = 22292118398273
BaseRepresentation
bin1001111000111000101…
…1010110110110000100
3121020111212020202210102
42132032023112312010
510240413100110442
6210013532143232
715163003144334
oct2361613266604
9536455222712
10169889066372
116605aa49093
1228b13607b18
1313035c85a9c
14831903b0c4
154644c36232
hex278e2d6d84

169889066372 has 48 divisors (see below), whose sum is σ = 309421123200. Its totient is φ = 81519567360.

The previous prime is 169889066363. The next prime is 169889066383. The reversal of 169889066372 is 273660988961.

169889066372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 169889066299 and 169889066308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20531228 + ... + 20539500.

It is an arithmetic number, because the mean of its divisors is an integer number (6446273400).

Almost surely, 2169889066372 is an apocalyptic number.

It is an amenable number.

169889066372 is a deficient number, since it is larger than the sum of its proper divisors (139532056828).

169889066372 is a wasteful number, since it uses less digits than its factorization.

169889066372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9356 (or 9354 counting only the distinct ones).

The product of its (nonzero) digits is 47029248, while the sum is 65.

The spelling of 169889066372 in words is "one hundred sixty-nine billion, eight hundred eighty-nine million, sixty-six thousand, three hundred seventy-two".

Divisors: 1 2 4 29 58 116 211 422 839 844 1678 3356 6119 8273 12238 16546 24331 24476 33092 48662 97324 177029 239917 354058 479834 708116 959668 1745603 3491206 5133841 6941047 6982412 10267682 13882094 20535364 27764188 50622487 101244974 201290363 202489948 402580726 805161452 1464560917 2929121834 5858243668 42472266593 84944533186 169889066372