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30321044432 = 2471573717203
BaseRepresentation
bin11100001111010001…
…100110101111010000
32220021010101122112122
4130033101212233100
5444044141410212
621532421113412
72122245424310
oct341721465720
986233348478
1030321044432
111194a491508
125a62558868
132b22a50813
141678d39440
15bc6de3272
hex70f466bd0

30321044432 has 40 divisors (see below), whose sum is σ = 67147624896. Its totient is φ = 12993152256.

The previous prime is 30321044393. The next prime is 30321044437. The reversal of 30321044432 is 23444012303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30321044437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1753943 + ... + 1771145.

Almost surely, 230321044432 is an apocalyptic number.

It is an amenable number.

30321044432 is an abundant number, since it is smaller than the sum of its proper divisors (36826580464).

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

30321044432 is a wasteful number, since it uses less digits than its factorization.

30321044432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32955 (or 32949 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 30321044432 its reverse (23444012303), we get a palindrome (53765056735).

The spelling of 30321044432 in words is "thirty billion, three hundred twenty-one million, forty-four thousand, four hundred thirty-two".

Divisors: 1 2 4 7 8 14 16 28 56 112 15737 17203 31474 34406 62948 68812 110159 120421 125896 137624 220318 240842 251792 275248 440636 481684 881272 963368 1762544 1926736 270723611 541447222 1082894444 1895065277 2165788888 3790130554 4331577776 7580261108 15160522216 30321044432