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30203211132 = 22326733137831
BaseRepresentation
bin11100001000010000…
…000110110101111100
32212221220200002122100
4130020100012311330
5443324010224012
621513011345100
72116315026063
oct341020066574
985856602570
1030203211132
1111899a1a616
125a2abb2190
132b04504b83
1416674251da
15bbb8b98dc
hex708406d7c

30203211132 has 72 divisors (see below), whose sum is σ = 77722666112. Its totient is φ = 9887248800.

The previous prime is 30203211121. The next prime is 30203211151. The reversal of 30203211132 is 23111230203.

30203211132 is a `hidden beast` number, since 302 + 0 + 321 + 11 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 779457 + ... + 817287.

Almost surely, 230203211132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30203211132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38861333056).

30203211132 is an abundant number, since it is smaller than the sum of its proper divisors (47519454980).

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

30203211132 is a wasteful number, since it uses less digits than its factorization.

30203211132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38239 (or 38234 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 30203211132 its reverse (23111230203), we get a palindrome (53314441335).

The spelling of 30203211132 in words is "thirty billion, two hundred three million, two hundred eleven thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 36 67 134 201 268 331 402 603 662 804 993 1206 1324 1986 2412 2979 3972 5958 11916 22177 37831 44354 66531 75662 88708 113493 133062 151324 199593 226986 266124 340479 399186 453972 680958 798372 1361916 2534677 5069354 7604031 10138708 12522061 15208062 22812093 25044122 30416124 37566183 45624186 50088244 75132366 91248372 112698549 150264732 225397098 450794196 838978087 1677956174 2516934261 3355912348 5033868522 7550802783 10067737044 15101605566 30203211132