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30331032000 = 263531263793
BaseRepresentation
bin11100001111110111…
…101101000111000000
32220021211012001220120
4130033313231013000
5444104221011000
621533415140240
72122426342503
oct341767550700
986254161816
1030331032000
11119550932a5
125a65974680
132b24b39819
14167a3b913a
15bc7c176a0
hex70fded1c0

30331032000 has 112 divisors (see below), whose sum is σ = 100153146912. Its totient is φ = 8088268800.

The previous prime is 30331031993. The next prime is 30331032007. The reversal of 30331032000 is 23013303.

It is an interprime number because it is at equal distance from previous prime (30331031993) and next prime (30331032007).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30331032007) by changing a digit.

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, 607897 + ... + 655896.

It is an arithmetic number, because the mean of its divisors is an integer number (894224526).

Almost surely, 230331032000 is an apocalyptic number.

30331032000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30331032000 is an abundant number, since it is smaller than the sum of its proper divisors (69822114912).

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

30331032000 is a wasteful number, since it uses less digits than its factorization.

30331032000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263823 (or 1263803 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 15.

Adding to 30331032000 its reverse (23013303), we get a palindrome (30354045303).

The spelling of 30331032000 in words is "thirty billion, three hundred thirty-one million, thirty-two thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 64 75 80 96 100 120 125 150 160 192 200 240 250 300 320 375 400 480 500 600 750 800 960 1000 1200 1500 1600 2000 2400 3000 4000 4800 6000 8000 12000 24000 1263793 2527586 3791379 5055172 6318965 7582758 10110344 12637930 15165516 18956895 20220688 25275860 30331032 31594825 37913790 40441376 50551720 60662064 63189650 75827580 80882752 94784475 101103440 121324128 126379300 151655160 157974125 189568950 202206880 242648256 252758600 303310320 315948250 379137900 404413760 473922375 505517200 606620640 631896500 758275800 947844750 1011034400 1213241280 1263793000 1516551600 1895689500 2022068800 2527586000 3033103200 3791379000 5055172000 6066206400 7582758000 10110344000 15165516000 30331032000