Base | Representation |
---|---|
bin | 100111001000010010… |
… | …100000011010101010 |
3 | 11000110002122011011210 |
4 | 213020102200122222 |
5 | 1142021320001414 |
6 | 31145035133550 |
7 | 3015112416024 |
oct | 471022403252 |
9 | 130402564153 |
10 | 42015000234 |
11 | 16900410599 |
12 | 81868a42b6 |
13 | 3c6767c3ac |
14 | 206804d014 |
15 | 115d85de59 |
hex | 9c84a06aa |
42015000234 has 64 divisors (see below), whose sum is σ = 90187776000. Its totient is φ = 13001534208.
The previous prime is 42015000233. The next prime is 42015000253. The reversal of 42015000234 is 43200051024.
It is a self number, because there is not a number n which added to its sum of digits gives 42015000234.
It is not an unprimeable number, because it can be changed into a prime (42015000233) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11271279 + ... + 11275005.
It is an arithmetic number, because the mean of its divisors is an integer number (1409184000).
Almost surely, 242015000234 is an apocalyptic number.
42015000234 is an abundant number, since it is smaller than the sum of its proper divisors (48172775766).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42015000234 is a wasteful number, since it uses less digits than its factorization.
42015000234 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5227.
The product of its (nonzero) digits is 960, while the sum is 21.
Adding to 42015000234 its reverse (43200051024), we get a palindrome (85215051258).
The spelling of 42015000234 in words is "forty-two billion, fifteen million, two hundred thirty-four", and thus it is an aban number.
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