Base | Representation |
---|---|
bin | 11100010110101001… |
… | …100000001001011011 |
3 | 2220120202011111212020 |
4 | 130112221200021123 |
5 | 444322323440103 |
6 | 21553000345523 |
7 | 2125310046225 |
oct | 342651401133 |
9 | 86522144766 |
10 | 30444749403 |
11 | 11a032a3922 |
12 | 5a97a752a3 |
13 | 2b42573c23 |
14 | 168b53b415 |
15 | bd2bcb753 |
hex | 716a6025b |
30444749403 has 8 divisors (see below), whose sum is σ = 40624742400. Its totient is φ = 20280628008.
The previous prime is 30444749381. The next prime is 30444749417. The reversal of 30444749403 is 30494744403.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30444749403 - 25 = 30444749371 is a prime.
It is a super-2 number, since 2×304447494032 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30444749903) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3963423 + ... + 3971096.
It is an arithmetic number, because the mean of its divisors is an integer number (5078092800).
Almost surely, 230444749403 is an apocalyptic number.
30444749403 is a deficient number, since it is larger than the sum of its proper divisors (10179992997).
30444749403 is a wasteful number, since it uses less digits than its factorization.
30444749403 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7935801.
The product of its (nonzero) digits is 580608, while the sum is 42.
Subtracting 30444749403 from its reverse (30494744403), we obtain a triangular number (49995000 = T9999).
The spelling of 30444749403 in words is "thirty billion, four hundred forty-four million, seven hundred forty-nine thousand, four hundred three".
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