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128513051932 = 2232128262983
BaseRepresentation
bin111011110101111111…
…0011000110100011100
3110021201021222110100011
41313223332120310130
54101143320130212
6135012120413004
712166446626536
oct1675376306434
9407637873304
10128513051932
114a5582a4031
1220aa6917164
13c170b022c5
146311c02856
1535225464a7
hex1debf98d1c

128513051932 has 6 divisors (see below), whose sum is σ = 224897840888. Its totient is φ = 64256525964.

The previous prime is 128513051917. The next prime is 128513051963. The reversal of 128513051932 is 239150315821.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16064131488 + ... + 16064131495.

Almost surely, 2128513051932 is an apocalyptic number.

It is an amenable number.

128513051932 is a deficient number, since it is larger than the sum of its proper divisors (96384788956).

128513051932 is a wasteful number, since it uses less digits than its factorization.

128513051932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32128262987 (or 32128262985 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 40.

The spelling of 128513051932 in words is "one hundred twenty-eight billion, five hundred thirteen million, fifty-one thousand, nine hundred thirty-two".

Divisors: 1 2 4 32128262983 64256525966 128513051932