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30132021100 = 2252535685287
BaseRepresentation
bin11100000100000000…
…100010011101101100
32212202221201021021111
4130010000202131230
5443202244133400
621501545441404
72114461645006
oct340400423554
985687637244
1030132021100
1111862816485
125a0b1a0264
132ac283a7ac
14165bbb3376
15bb55063ba
hex70402276c

30132021100 has 36 divisors (see below), whose sum is σ = 66620204784. Its totient is φ = 11825394880.

The previous prime is 30132021097. The next prime is 30132021109. The reversal of 30132021100 is 112023103.

It is not an unprimeable number, because it can be changed into a prime (30132021109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2837344 + ... + 2847943.

It is an arithmetic number, because the mean of its divisors is an integer number (1850561244).

Almost surely, 230132021100 is an apocalyptic number.

It is an amenable number.

30132021100 is an abundant number, since it is smaller than the sum of its proper divisors (36488183684).

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

30132021100 is a wasteful number, since it uses less digits than its factorization.

30132021100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5685354 (or 5685347 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 30132021100 its reverse (112023103), we get a palindrome (30244044203).

The spelling of 30132021100 in words is "thirty billion, one hundred thirty-two million, twenty-one thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 53 100 106 212 265 530 1060 1325 2650 5300 5685287 11370574 22741148 28426435 56852870 113705740 142132175 284264350 301320211 568528700 602640422 1205280844 1506601055 3013202110 6026404220 7533005275 15066010550 30132021100