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30023012003 = 149731200513
BaseRepresentation
bin11011111101100000…
…101100111010100011
32212111100121000220112
4123331200230322203
5442441342341003
621443053201535
72111666251145
oct337540547243
985440530815
1030023012003
1111807231316
12599a7902ab
132aa609147a
14164b518c95
15baab723d8
hex6fd82cea3

30023012003 has 4 divisors (see below), whose sum is σ = 30023362248. Its totient is φ = 30022661760.

The previous prime is 30023011999. The next prime is 30023012039. The reversal of 30023012003 is 30021032003.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 30023012003 - 22 = 30023011999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30023012053) 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, 49475 + ... + 249987.

It is an arithmetic number, because the mean of its divisors is an integer number (7505840562).

Almost surely, 230023012003 is an apocalyptic number.

30023012003 is a deficient number, since it is larger than the sum of its proper divisors (350245).

30023012003 is a wasteful number, since it uses less digits than its factorization.

30023012003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350244.

The product of its (nonzero) digits is 108, while the sum is 14.

Adding to 30023012003 its reverse (30021032003), we get a palindrome (60044044006).

The spelling of 30023012003 in words is "thirty billion, twenty-three million, twelve thousand, three".

Divisors: 1 149731 200513 30023012003