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30312232132 = 2271383275363
BaseRepresentation
bin11100001110101111…
…111111010011000100
32220020111210221100011
4130032233333103010
5444034412412012
621531504200004
72122110502420
oct341657772304
986214727304
1030312232132
1111945512716
125a5b609004
132b20c86740
141677ac3b80
15bc62521a7
hex70ebff4c4

30312232132 has 24 divisors (see below), whose sum is σ = 65287885376. Its totient is φ = 11991652128.

The previous prime is 30312232127. The next prime is 30312232169. The reversal of 30312232132 is 23123221303.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41637318 + ... + 41638045.

Almost surely, 230312232132 is an apocalyptic number.

It is an amenable number.

30312232132 is an abundant number, since it is smaller than the sum of its proper divisors (34975653244).

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

30312232132 is a wasteful number, since it uses less digits than its factorization.

30312232132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83275387 (or 83275385 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 30312232132 its reverse (23123221303), we get a palindrome (53435453435).

The spelling of 30312232132 in words is "thirty billion, three hundred twelve million, two hundred thirty-two thousand, one hundred thirty-two".

Divisors: 1 2 4 7 13 14 26 28 52 91 182 364 83275363 166550726 333101452 582927541 1082579719 1165855082 2165159438 2331710164 4330318876 7578058033 15156116066 30312232132