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30142013241 = 310879243181
BaseRepresentation
bin11100000100100110…
…101001111100111001
32212210122111220220210
4130010212221330321
5443212323410431
621502543541333
72114642612424
oct340446517471
985718456823
1030142013241
111186842074a
125a125ba849
132ac49288c2
14165d2549bb
15bb632bd46
hex7049a9f39

30142013241 has 8 divisors (see below), whose sum is σ = 40226328064. Its totient is φ = 20076186960.

The previous prime is 30142013233. The next prime is 30142013261. The reversal of 30142013241 is 14231024103.

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

It is not a de Polignac number, because 30142013241 - 23 = 30142013233 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30142013221) 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, 4618330 + ... + 4624851.

It is an arithmetic number, because the mean of its divisors is an integer number (5028291008).

Almost surely, 230142013241 is an apocalyptic number.

It is an amenable number.

30142013241 is a deficient number, since it is larger than the sum of its proper divisors (10084314823).

30142013241 is a wasteful number, since it uses less digits than its factorization.

30142013241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9244271.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 30142013241 its reverse (14231024103), we get a palindrome (44373037344).

The spelling of 30142013241 in words is "thirty billion, one hundred forty-two million, thirteen thousand, two hundred forty-one".

Divisors: 1 3 1087 3261 9243181 27729543 10047337747 30142013241