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30021130122 = 23281263367
BaseRepresentation
bin11011111101011001…
…100001011110001010
32212111020001102110020
4123331121201132022
5442440402130442
621442545001310
72111644252464
oct337531413612
985436042406
1030021130122
1111806166445
12599a023236
132aa5882a29
14164b189134
15baa8ee9ec
hex6fd66178a

30021130122 has 24 divisors (see below), whose sum is σ = 60257645088. Its totient is φ = 9971273760.

The previous prime is 30021130099. The next prime is 30021130147. The reversal of 30021130122 is 22103112003.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 442083 + ... + 505449.

It is an arithmetic number, because the mean of its divisors is an integer number (2510735212).

Almost surely, 230021130122 is an apocalyptic number.

30021130122 is an abundant number, since it is smaller than the sum of its proper divisors (30236514966).

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

30021130122 is an equidigital number, since it uses as much as digits as its factorization.

30021130122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63934 (or 63653 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 30021130122 its reverse (22103112003), we get a palindrome (52124242125).

The spelling of 30021130122 in words is "thirty billion, twenty-one million, one hundred thirty thousand, one hundred twenty-two".

Divisors: 1 2 3 6 281 562 843 1686 63367 78961 126734 157922 190101 236883 380202 473766 17806127 35612254 53418381 106836762 5003521687 10007043374 15010565061 30021130122