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30301201123 = 50959530847
BaseRepresentation
bin11100001110000101…
…111010001011100011
32220012202001111122021
4130032011322023203
5444024101413443
621530431522311
72121614650144
oct341605721343
986182044567
1030301201123
111193a268986
125a57989397
132b1b8c380b
141676451acb
15bc52c39ed
hex70e17a2e3

30301201123 has 4 divisors (see below), whose sum is σ = 30360732480. Its totient is φ = 30241669768.

The previous prime is 30301201109. The next prime is 30301201127. The reversal of 30301201123 is 32110210303.

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 30301201123 - 225 = 30267646691 is a prime.

It is a super-2 number, since 2×303012011232 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30301201097 and 30301201106.

It is not an unprimeable number, because it can be changed into a prime (30301201127) 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, 29764915 + ... + 29765932.

It is an arithmetic number, because the mean of its divisors is an integer number (7590183120).

Almost surely, 230301201123 is an apocalyptic number.

30301201123 is a deficient number, since it is larger than the sum of its proper divisors (59531357).

30301201123 is an equidigital number, since it uses as much as digits as its factorization.

30301201123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59531356.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 30301201123 its reverse (32110210303), we get a palindrome (62411411426).

The spelling of 30301201123 in words is "thirty billion, three hundred one million, two hundred one thousand, one hundred twenty-three".

Divisors: 1 509 59530847 30301201123