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30020320010 = 258293621269
BaseRepresentation
bin11011111101010110…
…011011101100001010
32212111011112021012002
4123331112123230022
5442440200220020
621442515351002
72111634336602
oct337526335412
985434467162
1030020320010
111180576282a
1259998b2462
132aa565b085
14164b017c02
15baa7de975
hex6fd59bb0a

30020320010 has 16 divisors (see below), whose sum is σ = 54101773800. Its totient is φ = 11993639616.

The previous prime is 30020320003. The next prime is 30020320027. The reversal of 30020320010 is 1002302003.

It can be written as a sum of positive squares in 4 ways, for example, as 24283923889 + 5736396121 = 155833^2 + 75739^2 .

It is a super-2 number, since 2×300203200102 (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30020319973 and 30020320000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1802345 + ... + 1818924.

Almost surely, 230020320010 is an apocalyptic number.

30020320010 is a deficient number, since it is larger than the sum of its proper divisors (24081453790).

30020320010 is a wasteful number, since it uses less digits than its factorization.

30020320010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3622105.

The product of its (nonzero) digits is 36, while the sum is 11.

Adding to 30020320010 its reverse (1002302003), we get a palindrome (31022622013).

The spelling of 30020320010 in words is "thirty billion, twenty million, three hundred twenty thousand, ten".

Divisors: 1 2 5 10 829 1658 4145 8290 3621269 7242538 18106345 36212690 3002032001 6004064002 15010160005 30020320010