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30032021200 = 2452475115803
BaseRepresentation
bin11011111110000011…
…000100011011010000
32212111222112202012111
4123332003010123100
5443001144134300
621444014235104
72112135653056
oct337603043320
985458482174
1030032021200
1111811325035
1259a17b5a94
132aa7bc705c
14164c7c21d6
15bab8519ba
hex6fe0c46d0

30032021200 has 60 divisors (see below), whose sum is σ = 72171684288. Its totient is φ = 12009520000.

The previous prime is 30032021197. The next prime is 30032021203. The reversal of 30032021200 is 212023003.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30032021197) and next prime (30032021203).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30032021203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1892499 + ... + 1908301.

Almost surely, 230032021200 is an apocalyptic number.

It is an amenable number.

30032021200 is an abundant number, since it is smaller than the sum of its proper divisors (42139663088).

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

30032021200 is a wasteful number, since it uses less digits than its factorization.

30032021200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20572 (or 20561 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 30032021200 its reverse (212023003), we get a palindrome (30244044203).

The spelling of 30032021200 in words is "thirty billion, thirty-two million, twenty-one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 4751 9502 15803 19004 23755 31606 38008 47510 63212 76016 79015 95020 118775 126424 158030 190040 237550 252848 316060 380080 395075 475100 632120 790150 950200 1264240 1580300 1900400 3160600 6321200 75080053 150160106 300320212 375400265 600640424 750800530 1201280848 1501601060 1877001325 3003202120 3754002650 6006404240 7508005300 15016010600 30032021200