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30534050471 = 434831146987
BaseRepresentation
bin11100011011111110…
…001010001010100111
32220210222012110220012
4130123332022022213
51000013204103341
622005510400435
72130443101211
oct343376121247
986728173805
1030534050471
1111a49748061
125b0196011b
132b57c0c9b2
1416993455b1
15bda96b0eb
hex71bf8a2a7

30534050471 has 8 divisors (see below), whose sum is σ = 31250824704. Its totient is φ = 29817579960.

The previous prime is 30534050423. The next prime is 30534050513. The reversal of 30534050471 is 17405043503.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30534050471 - 226 = 30466941607 is a prime.

It is a super-3 number, since 3×305340504713 (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30534050401) 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, 134240 + ... + 281226.

It is an arithmetic number, because the mean of its divisors is an integer number (3906353088).

Almost surely, 230534050471 is an apocalyptic number.

30534050471 is a deficient number, since it is larger than the sum of its proper divisors (716774233).

30534050471 is a wasteful number, since it uses less digits than its factorization.

30534050471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151861.

The product of its (nonzero) digits is 25200, while the sum is 32.

Adding to 30534050471 its reverse (17405043503), we get a palindrome (47939093974).

The spelling of 30534050471 in words is "thirty billion, five hundred thirty-four million, fifty thousand, four hundred seventy-one".

Divisors: 1 43 4831 146987 207733 6320441 710094197 30534050471