Base | Representation |
---|---|
bin | 100111001000100010… |
… | …000001000000011000 |
3 | 11000110101021201012021 |
4 | 213020202001000120 |
5 | 1142023340102010 |
6 | 31145302224224 |
7 | 3015162111151 |
oct | 471042010030 |
9 | 130411251167 |
10 | 42019065880 |
11 | 16902738130 |
12 | 8188125074 |
13 | 3c68473abc |
14 | 20687ca928 |
15 | 115ddb38da |
hex | 9c8881018 |
42019065880 has 32 divisors (see below), whose sum is σ = 103137708240. Its totient is φ = 15279660160.
The previous prime is 42019065857. The next prime is 42019065911. The reversal of 42019065880 is 8856091024.
It is a happy number.
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, 47748499 + ... + 47749378.
Almost surely, 242019065880 is an apocalyptic number.
42019065880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
42019065880 is an abundant number, since it is smaller than the sum of its proper divisors (61118642360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42019065880 is a wasteful number, since it uses less digits than its factorization.
42019065880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 95497899 (or 95497895 counting only the distinct ones).
The product of its (nonzero) digits is 138240, while the sum is 43.
The spelling of 42019065880 in words is "forty-two billion, nineteen million, sixty-five thousand, eight hundred eighty".
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