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30028082003 = 172117448043
BaseRepresentation
bin11011111101110100…
…000010101101010011
32212111201010121122022
4123331310002231103
5442444142111003
621443354002055
72112060325403
oct337564025523
985451117568
1030028082003
111180a0844a7
1259a041632b
132aa714807a
14164c078803
15bab324738
hex6fdd02b53

30028082003 has 4 divisors (see below), whose sum is σ = 30045531768. Its totient is φ = 30010632240.

The previous prime is 30028081991. The next prime is 30028082041.

30028082003 is nontrivially palindromic in base 10.

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 30028082003 - 26 = 30028081939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30028082093) 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, 8722301 + ... + 8725742.

It is an arithmetic number, because the mean of its divisors is an integer number (7511382942).

Almost surely, 230028082003 is an apocalyptic number.

30028082003 is a deficient number, since it is larger than the sum of its proper divisors (17449765).

30028082003 is a wasteful number, since it uses less digits than its factorization.

30028082003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17449764.

The product of its (nonzero) digits is 2304, while the sum is 26.

It can be divided in two parts, 300280 and 82003, that added together give a palindrome (382283).

The spelling of 30028082003 in words is "thirty billion, twenty-eight million, eighty-two thousand, three".

Divisors: 1 1721 17448043 30028082003