Base | Representation |
---|---|
bin | 11100010110010011… |
… | …000000101100101011 |
3 | 2220120100001222002110 |
4 | 130112103000230223 |
5 | 444314321302134 |
6 | 21552230133403 |
7 | 2125205661612 |
oct | 342623005453 |
9 | 86510058073 |
10 | 30438853419 |
11 | 119aaa37107 |
12 | 5a95ab1263 |
13 | 2b4128b390 |
14 | 168a844879 |
15 | bd24147e9 |
hex | 7164c0b2b |
30438853419 has 16 divisors (see below), whose sum is σ = 44773100064. Its totient is φ = 18274732800.
The previous prime is 30438853409. The next prime is 30438853451. The reversal of 30438853419 is 91435883403.
It is not a de Polignac number, because 30438853419 - 212 = 30438849323 is a prime.
It is a super-2 number, since 2×304388534192 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30438853409) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9516492 + ... + 9519689.
It is an arithmetic number, because the mean of its divisors is an integer number (2798318754).
Almost surely, 230438853419 is an apocalyptic number.
30438853419 is a gapful number since it is divisible by the number (39) formed by its first and last digit.
30438853419 is a deficient number, since it is larger than the sum of its proper divisors (14334246645).
30438853419 is a wasteful number, since it uses less digits than its factorization.
30438853419 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19036238.
The product of its (nonzero) digits is 1244160, while the sum is 48.
The spelling of 30438853419 in words is "thirty billion, four hundred thirty-eight million, eight hundred fifty-three thousand, four hundred nineteen".
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