Base | Representation |
---|---|
bin | 100111001101100000… |
… | …000001110100110110 |
3 | 11000200012011002200102 |
4 | 213031200001310312 |
5 | 1142211210243110 |
6 | 31201441114102 |
7 | 3020223521222 |
oct | 471540016466 |
9 | 130605132612 |
10 | 42102431030 |
11 | 169457a7650 |
12 | 81b0028932 |
13 | 3c7c811aaa |
14 | 20758cb782 |
15 | 116637e5a5 |
hex | 9cd801d36 |
42102431030 has 32 divisors (see below), whose sum is σ = 87537036960. Its totient is φ = 14409387520.
The previous prime is 42102431027. The next prime is 42102431071. The reversal of 42102431030 is 3013420124.
It is a super-2 number, since 2×421024310302 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 42102430993 and 42102431011.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11255465 + ... + 11259204.
It is an arithmetic number, because the mean of its divisors is an integer number (2735532405).
Almost surely, 242102431030 is an apocalyptic number.
42102431030 is an abundant number, since it is smaller than the sum of its proper divisors (45434605930).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42102431030 is a wasteful number, since it uses less digits than its factorization.
42102431030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22514704.
The product of its (nonzero) digits is 576, while the sum is 20.
Adding to 42102431030 its reverse (3013420124), we get a palindrome (45115851154).
The spelling of 42102431030 in words is "forty-two billion, one hundred two million, four hundred thirty-one thousand, thirty".
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