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128037289973 = 4722321615653
BaseRepresentation
bin111011100111110011…
…1011111111111110101
3110020111010202020121212
41313033213133333311
54044210021234343
6134453003251205
712151612002455
oct1671747377765
9406433666555
10128037289973
114a33379202a
1220993519b05
13c0c6385658
1462a8959d65
1534e58b9c18
hex1dcf9dfff5

128037289973 has 16 divisors (see below), whose sum is σ = 131431888896. Its totient is φ = 124671363840.

The previous prime is 128037289957. The next prime is 128037289999. The reversal of 128037289973 is 379982730821.

It is a cyclic number.

It is not a de Polignac number, because 128037289973 - 24 = 128037289957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128037283973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22646615 + ... + 22652267.

It is an arithmetic number, because the mean of its divisors is an integer number (8214493056).

Almost surely, 2128037289973 is an apocalyptic number.

It is an amenable number.

128037289973 is a deficient number, since it is larger than the sum of its proper divisors (3394598923).

128037289973 is a wasteful number, since it uses less digits than its factorization.

128037289973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8084.

The product of its (nonzero) digits is 9144576, while the sum is 59.

The spelling of 128037289973 in words is "one hundred twenty-eight billion, thirty-seven million, two hundred eighty-nine thousand, nine hundred seventy-three".

Divisors: 1 47 223 2161 5653 10481 101567 265691 481903 1260619 12216133 22649441 59249093 574158251 2724197659 128037289973