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30435102123 = 310145034041
BaseRepresentation
bin11100010110000100…
…101100110110101011
32220120002000101021120
4130112010230312223
5444312341231443
621552013510323
72125132046106
oct342604546653
986502011246
1030435102123
11119a8904768
125a947a23a3
132b40576a8a
14168a14973d
15bd1e23083
hex71612cdab

30435102123 has 4 divisors (see below), whose sum is σ = 40580136168. Its totient is φ = 20290068080.

The previous prime is 30435102121. The next prime is 30435102127. The reversal of 30435102123 is 32120153403.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30435102123 - 21 = 30435102121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30435102093 and 30435102102.

It is not an unprimeable number, because it can be changed into a prime (30435102121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5072517018 + ... + 5072517023.

It is an arithmetic number, because the mean of its divisors is an integer number (10145034042).

Almost surely, 230435102123 is an apocalyptic number.

30435102123 is a deficient number, since it is larger than the sum of its proper divisors (10145034045).

30435102123 is a wasteful number, since it uses less digits than its factorization.

30435102123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10145034044.

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 30435102123 its reverse (32120153403), we get a palindrome (62555255526).

The spelling of 30435102123 in words is "thirty billion, four hundred thirty-five million, one hundred two thousand, one hundred twenty-three".

Divisors: 1 3 10145034041 30435102123