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30244523412 = 2232520376951
BaseRepresentation
bin11100001010101101…
…101100110110010100
32220001210101222102210
4130022231230312110
5443420044222122
621521045033420
72120326131045
oct341255546624
986053358383
1030244523412
11119102770a4
125a409b5870
132b0cc3aacc
14166cada8cc
15bc032a40c
hex70ab6cd94

30244523412 has 12 divisors (see below), whose sum is σ = 70570554656. Its totient is φ = 10081507800.

The previous prime is 30244523411. The next prime is 30244523483. The reversal of 30244523412 is 21432544203.

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

It is a super-2 number, since 2×302445234122 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30244523412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30244523411) 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, 1260188464 + ... + 1260188487.

Almost surely, 230244523412 is an apocalyptic number.

It is an amenable number.

30244523412 is an abundant number, since it is smaller than the sum of its proper divisors (40326031244).

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

30244523412 is a wasteful number, since it uses less digits than its factorization.

30244523412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2520376958 (or 2520376956 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

The spelling of 30244523412 in words is "thirty billion, two hundred forty-four million, five hundred twenty-three thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 2520376951 5040753902 7561130853 10081507804 15122261706 30244523412