Base | Representation |
---|---|
bin | 100111110101110001… |
… | …010100110010101000 |
3 | 11002102021110021212222 |
4 | 213311301110302220 |
5 | 1200102140210200 |
6 | 31352454053212 |
7 | 3043036313006 |
oct | 476561246250 |
9 | 132367407788 |
10 | 42778053800 |
11 | 17162106a79 |
12 | 835a34a208 |
13 | 4059797591 |
14 | 20db51ba76 |
15 | 11a5838d85 |
hex | 9f5c54ca8 |
42778053800 has 48 divisors (see below), whose sum is σ = 100859839200. Its totient is φ = 16870212800.
The previous prime is 42778053793. The next prime is 42778053803. The reversal of 42778053800 is 835087724.
It is a happy number.
42778053800 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (42778053803) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1492070 + ... + 1520469.
It is an arithmetic number, because the mean of its divisors is an integer number (2101246650).
Almost surely, 242778053800 is an apocalyptic number.
42778053800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
42778053800 is an abundant number, since it is smaller than the sum of its proper divisors (58081785400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42778053800 is a wasteful number, since it uses less digits than its factorization.
42778053800 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3012626 (or 3012617 counting only the distinct ones).
The product of its (nonzero) digits is 376320, while the sum is 44.
The spelling of 42778053800 in words is "forty-two billion, seven hundred seventy-eight million, fifty-three thousand, eight hundred".
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