Base | Representation |
---|---|
bin | 11100000100100100… |
… | …011100001110100110 |
3 | 2212210121102102121211 |
4 | 130010210130032212 |
5 | 443212201321432 |
6 | 21502523302034 |
7 | 2114634644131 |
oct | 340444341646 |
9 | 85717372554 |
10 | 30141432742 |
11 | 118680645a3 |
12 | 5a1237a91a |
13 | 2ac4784605 |
14 | 165d143218 |
15 | bb6264d47 |
hex | 70491c3a6 |
30141432742 has 8 divisors (see below), whose sum is σ = 46670605632. Its totient is φ = 14584564200.
The previous prime is 30141432677. The next prime is 30141432749. The reversal of 30141432742 is 24723414103.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Harshad number since it is a multiple of its sum of digits (31).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30141432749) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243076009 + ... + 243076132.
It is an arithmetic number, because the mean of its divisors is an integer number (5833825704).
Almost surely, 230141432742 is an apocalyptic number.
30141432742 is a deficient number, since it is larger than the sum of its proper divisors (16529172890).
30141432742 is a wasteful number, since it uses less digits than its factorization.
30141432742 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 486152174.
The product of its (nonzero) digits is 16128, while the sum is 31.
Adding to 30141432742 its reverse (24723414103), we get a palindrome (54864846845).
The spelling of 30141432742 in words is "thirty billion, one hundred forty-one million, four hundred thirty-two thousand, seven hundred forty-two".
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