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30142241033 = 131230093443
BaseRepresentation
bin11100000100100111…
…100001100100001001
32212210122221111101112
4130010213201210021
5443212403203113
621502552500105
72114644551512
oct340447414411
985718844345
1030142241033
1111868566903
125a126aa635
132ac49a84a8
14165d2b3a09
15bb63745a8
hex7049e1909

30142241033 has 4 divisors (see below), whose sum is σ = 30372334608. Its totient is φ = 29912147460.

The previous prime is 30142241029. The next prime is 30142241047. The reversal of 30142241033 is 33014224103.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33014224103 = 74716317729.

It is a cyclic number.

It is not a de Polignac number, because 30142241033 - 22 = 30142241029 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30142241023) 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, 115046591 + ... + 115046852.

It is an arithmetic number, because the mean of its divisors is an integer number (7593083652).

Almost surely, 230142241033 is an apocalyptic number.

It is an amenable number.

30142241033 is a deficient number, since it is larger than the sum of its proper divisors (230093575).

30142241033 is a wasteful number, since it uses less digits than its factorization.

30142241033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230093574.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 30142241033 its reverse (33014224103), we get a palindrome (63156465136).

The spelling of 30142241033 in words is "thirty billion, one hundred forty-two million, two hundred forty-one thousand, thirty-three".

Divisors: 1 131 230093443 30142241033