Base | Representation |
---|---|
bin | 100111001101010110… |
… | …110011111110110110 |
3 | 11000200000121100112221 |
4 | 213031112303332312 |
5 | 1142210100440110 |
6 | 31201313232554 |
7 | 3020164136413 |
oct | 471526637666 |
9 | 130600540487 |
10 | 42100015030 |
11 | 169443a7457 |
12 | 81ab26275a |
13 | 3c7c1771c8 |
14 | 207545d10a |
15 | 11660537da |
hex | 9cd5b3fb6 |
42100015030 has 32 divisors (see below), whose sum is σ = 77217940800. Its totient is φ = 16523471232.
The previous prime is 42100015021. The next prime is 42100015033. The reversal of 42100015030 is 3051000124.
It is a super-2 number, since 2×421000150302 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 42100014995 and 42100015013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42100015033) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75225 + ... + 299764.
It is an arithmetic number, because the mean of its divisors is an integer number (2413060650).
Almost surely, 242100015030 is an apocalyptic number.
42100015030 is a deficient number, since it is larger than the sum of its proper divisors (35117925770).
42100015030 is a wasteful number, since it uses less digits than its factorization.
42100015030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 375208.
The product of its (nonzero) digits is 120, while the sum is 16.
Adding to 42100015030 its reverse (3051000124), we get a palindrome (45151015154).
The spelling of 42100015030 in words is "forty-two billion, one hundred million, fifteen thousand, thirty".
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