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30020002015 = 56004000403
BaseRepresentation
bin11011111101010101…
…001110000011011111
32212111010221002222111
4123331111032003133
5442440110031030
621442504454451
72111631543523
oct337525160337
985433832874
1030020002015
1111805565923
12599977a427
132aa5579403
14164ad73d83
15baa77a62a
hex6fd54e0df

30020002015 has 4 divisors (see below), whose sum is σ = 36024002424. Its totient is φ = 24016001608.

The previous prime is 30020002003. The next prime is 30020002057. The reversal of 30020002015 is 51020002003.

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 30020002015 - 29 = 30020001503 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30020001986 and 30020002004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3002000197 + ... + 3002000206.

It is an arithmetic number, because the mean of its divisors is an integer number (9006000606).

Almost surely, 230020002015 is an apocalyptic number.

30020002015 is a deficient number, since it is larger than the sum of its proper divisors (6004000409).

30020002015 is an equidigital number, since it uses as much as digits as its factorization.

30020002015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6004000408.

The product of its (nonzero) digits is 60, while the sum is 13.

Adding to 30020002015 its reverse (51020002003), we get a palindrome (81040004018).

The spelling of 30020002015 in words is "thirty billion, twenty million, two thousand, fifteen".

Divisors: 1 5 6004000403 30020002015