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30500204434 = 2713031671977
BaseRepresentation
bin11100011001111101…
…000010111110010010
32220201121111220212021
4130121331002332102
5444431023020214
622002301122054
72126552313550
oct343175027622
986647456767
1030500204434
1111a31630027
125ab255932a
132b50bbc25b
141694a54bd0
15bd79d2924
hex719f42f92

30500204434 has 16 divisors (see below), whose sum is σ = 52326223488. Its totient is φ = 13061476512.

The previous prime is 30500204431. The next prime is 30500204447. The reversal of 30500204434 is 43440200503.

It is a junction number, because it is equal to n+sod(n) for n = 30500204399 and 30500204408.

It is not an unprimeable number, because it can be changed into a prime (30500204431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 817747 + ... + 854230.

It is an arithmetic number, because the mean of its divisors is an integer number (3270388968).

Almost surely, 230500204434 is an apocalyptic number.

30500204434 is a deficient number, since it is larger than the sum of its proper divisors (21826019054).

30500204434 is a wasteful number, since it uses less digits than its factorization.

30500204434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1673289.

The product of its (nonzero) digits is 5760, while the sum is 25.

Adding to 30500204434 its reverse (43440200503), we get a palindrome (73940404937).

The spelling of 30500204434 in words is "thirty billion, five hundred million, two hundred four thousand, four hundred thirty-four".

Divisors: 1 2 7 14 1303 2606 9121 18242 1671977 3343954 11703839 23407678 2178586031 4357172062 15250102217 30500204434