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128046085331 = 19103419156157
BaseRepresentation
bin111011101000000100…
…1000011010011010011
3110020111202022002120212
41313100021003103103
54044214244212311
6134453515554335
712152046524063
oct1672011032323
9406452262525
10128046085331
114a33874a11a
122099645b9ab
13c0c8144ac8
1462a9ba93a3
1534e6555c8b
hex1dd02434d3

128046085331 has 16 divisors (see below), whose sum is σ = 136419628800. Its totient is φ = 119841609888.

The previous prime is 128046085327. The next prime is 128046085357. The reversal of 128046085331 is 133580640821.

It is not a de Polignac number, because 128046085331 - 22 = 128046085327 is a prime.

It is a super-2 number, since 2×1280460853312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128046085301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 741905 + ... + 898061.

It is an arithmetic number, because the mean of its divisors is an integer number (8526226800).

Almost surely, 2128046085331 is an apocalyptic number.

128046085331 is a deficient number, since it is larger than the sum of its proper divisors (8373543469).

128046085331 is a wasteful number, since it uses less digits than its factorization.

128046085331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156698.

The product of its (nonzero) digits is 138240, while the sum is 41.

The spelling of 128046085331 in words is "one hundred twenty-eight billion, forty-six million, eighty-five thousand, three hundred thirty-one".

Divisors: 1 19 103 419 1957 7961 43157 156157 819983 2966983 16084171 65429783 305599249 1243165877 6739267649 128046085331