Base | Representation |
---|---|
bin | 111011101001010011… |
… | …1010001011111111000 |
3 | 110020121122100100012101 |
4 | 1313102213101133320 |
5 | 4044310403442412 |
6 | 134502000553144 |
7 | 12153062213020 |
oct | 1672247213770 |
9 | 406548310171 |
10 | 128087562232 |
11 | 4a35a0a9353 |
12 | 209a83227b4 |
13 | c103907956 |
14 | 62b14c4a80 |
15 | 34e9eea457 |
hex | 1dd29d17f8 |
128087562232 has 32 divisors (see below), whose sum is σ = 274739176800. Its totient is φ = 54841503744.
The previous prime is 128087562191. The next prime is 128087562269. The reversal of 128087562232 is 232265780821.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1049257 + ... + 1164952.
It is an arithmetic number, because the mean of its divisors is an integer number (8585599275).
Almost surely, 2128087562232 is an apocalyptic number.
It is an amenable number.
128087562232 is an abundant number, since it is smaller than the sum of its proper divisors (146651614568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
128087562232 is a wasteful number, since it uses less digits than its factorization.
128087562232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2215255 (or 2215251 counting only the distinct ones).
The product of its (nonzero) digits is 645120, while the sum is 46.
The spelling of 128087562232 in words is "one hundred twenty-eight billion, eighty-seven million, five hundred sixty-two thousand, two hundred thirty-two".
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