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30212321132 = 22719329319081
BaseRepresentation
bin11100001000110010…
…110110111101101100
32212222112210221012202
4130020302312331230
5443333323234012
621513534521032
72116455330620
oct341062667554
985875727182
1030212321132
11118a4082044
125a32066178
132b063745c6
141668717180
15bbc5b8cc2
hex708cb6f6c

30212321132 has 48 divisors (see below), whose sum is σ = 60948213312. Its totient is φ = 12836413440.

The previous prime is 30212321123. The next prime is 30212321159. The reversal of 30212321132 is 23112321203.

It is a super-2 number, since 2×302123211322 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1573832 + ... + 1592912.

It is an arithmetic number, because the mean of its divisors is an integer number (1269754444).

Almost surely, 230212321132 is an apocalyptic number.

It is an amenable number.

30212321132 is an abundant number, since it is smaller than the sum of its proper divisors (30735892180).

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

30212321132 is a wasteful number, since it uses less digits than its factorization.

30212321132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19578 (or 19576 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 30212321132 its reverse (23112321203), we get a palindrome (53324642335).

The spelling of 30212321132 in words is "thirty billion, two hundred twelve million, three hundred twenty-one thousand, one hundred thirty-two".

Divisors: 1 2 4 7 14 28 193 293 386 586 772 1172 1351 2051 2702 4102 5404 8204 19081 38162 56549 76324 113098 133567 226196 267134 395843 534268 791686 1583372 3682633 5590733 7365266 11181466 14730532 22362932 25778431 39135131 51556862 78270262 103113724 156540524 1079011469 2158022938 4316045876 7553080283 15106160566 30212321132