| Base | Representation |
|---|---|
| bin | 100111111111000010… |
| … | …100011100100100000 |
| 3 | 11002211010002010011000 |
| 4 | 213333002203210200 |
| 5 | 1200411443100403 |
| 6 | 31420131152000 |
| 7 | 3046635200364 |
| oct | 477702434440 |
| 9 | 132733063130 |
| 10 | 42933565728 |
| 11 | 17231973429 |
| 12 | 83a2445600 |
| 13 | 4082a76281 |
| 14 | 211403d2a4 |
| 15 | 11b43067a3 |
| hex | 9ff0a3920 |
42933565728 has 96 divisors (see below), whose sum is σ = 125337240000. Its totient is φ = 14298121728.
The previous prime is 42933565721. The next prime is 42933565729. The reversal of 42933565728 is 82756533924.
42933565728 is a `hidden beast` number, since 4 + 2 + 9 + 3 + 3 + 565 + 72 + 8 = 666.
It is a tau number, because it is divible by the number of its divisors (96).
It is a super-2 number, since 2×429335657282 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is not an unprimeable number, because it can be changed into a prime (42933565721) 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, 948148 + ... + 992396.
It is an arithmetic number, because the mean of its divisors is an integer number (1305596250).
Almost surely, 242933565728 is an apocalyptic number.
42933565728 is a gapful number since it is divisible by the number (48) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 42933565728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62668620000).
42933565728 is an abundant number, since it is smaller than the sum of its proper divisors (82403674272).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42933565728 is a wasteful number, since it uses less digits than its factorization.
42933565728 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45391 (or 45377 counting only the distinct ones).
The product of its digits is 10886400, while the sum is 54.
The spelling of 42933565728 in words is "forty-two billion, nine hundred thirty-three million, five hundred sixty-five thousand, seven hundred twenty-eight".
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