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30012210132 = 2232501017511
BaseRepresentation
bin11011111100110111…
…011111101111010100
32212110121021020112020
4123330313133233110
5442431111211012
621442025453140
72111505401622
oct337467375724
985417236466
1030012210132
1111801123753
1259970411b0
132aa3a7b928
141649d06512
15ba9c3ba8c
hex6fcddfbd4

30012210132 has 12 divisors (see below), whose sum is σ = 70028490336. Its totient is φ = 10004070040.

The previous prime is 30012210131. The next prime is 30012210149. The reversal of 30012210132 is 23101221003.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30012210131) 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, 1250508744 + ... + 1250508767.

It is an arithmetic number, because the mean of its divisors is an integer number (5835707528).

Almost surely, 230012210132 is an apocalyptic number.

It is an amenable number.

30012210132 is an abundant number, since it is smaller than the sum of its proper divisors (40016280204).

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

30012210132 is a wasteful number, since it uses less digits than its factorization.

30012210132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2501017518 (or 2501017516 counting only the distinct ones).

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

Adding to 30012210132 its reverse (23101221003), we get a palindrome (53113431135).

The spelling of 30012210132 in words is "thirty billion, twelve million, two hundred ten thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 2501017511 5002035022 7503052533 10004070044 15006105066 30012210132