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30438853419 = 3134119036181
BaseRepresentation
bin11100010110010011…
…000000101100101011
32220120100001222002110
4130112103000230223
5444314321302134
621552230133403
72125205661612
oct342623005453
986510058073
1030438853419
11119aaa37107
125a95ab1263
132b4128b390
14168a844879
15bd24147e9
hex7164c0b2b

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".

Divisors: 1 3 13 39 41 123 533 1599 19036181 57108543 247470353 742411059 780483421 2341450263 10146284473 30438853419