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30020040030 = 2351975079533
BaseRepresentation
bin11011111101010101…
…010111010101011110
32212111011000001010110
4123331111113111132
5442440112240110
621442505350450
72111632062411
oct337525272536
985434001113
1030020040030
1111805591442
125999798426
132aa55907c6
14164ad83b78
15baa786a20
hex6fd55755e

30020040030 has 32 divisors (see below), whose sum is σ = 72413836704. Its totient is φ = 7964706176.

The previous prime is 30020039971. The next prime is 30020040049. The reversal of 30020040030 is 3004002003.

It is a junction number, because it is equal to n+sod(n) for n = 30020039988 and 30020040015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2533857 + ... + 2545676.

It is an arithmetic number, because the mean of its divisors is an integer number (2262932397).

Almost surely, 230020040030 is an apocalyptic number.

30020040030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30020040030 is an abundant number, since it is smaller than the sum of its proper divisors (42393796674).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30020040030 is a wasteful number, since it uses less digits than its factorization.

30020040030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5079740.

The product of its (nonzero) digits is 72, while the sum is 12.

Adding to 30020040030 its reverse (3004002003), we get a palindrome (33024042033).

The spelling of 30020040030 in words is "thirty billion, twenty million, forty thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 197 394 591 985 1182 1970 2955 5910 5079533 10159066 15238599 25397665 30477198 50795330 76192995 152385990 1000668001 2001336002 3002004003 5003340005 6004008006 10006680010 15010020015 30020040030