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30223312000 = 27537269851
BaseRepresentation
bin11100001001011100…
…110010010010000000
32220000022111022211221
4130021130302102000
5443344131441000
621515010244424
72116650625150
oct341134622200
986008438757
1030223312000
11118aa2a9702
125a35886714
132b0872218b
141669d78760
15bbd53a61a
hex709732480

30223312000 has 128 divisors (see below), whose sum is σ = 85877700480. Its totient is φ = 10362240000.

The previous prime is 30223311973. The next prime is 30223312039. The reversal of 30223312000 is 21332203.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 22926 + ... + 246925.

It is an arithmetic number, because the mean of its divisors is an integer number (670919535).

Almost surely, 230223312000 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 30223312000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42938850240).

30223312000 is an abundant number, since it is smaller than the sum of its proper divisors (55654388480).

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

30223312000 is an equidigital number, since it uses as much as digits as its factorization.

30223312000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269887 (or 269865 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 30223312000 its reverse (21332203), we get a palindrome (30244644203).

The spelling of 30223312000 in words is "thirty billion, two hundred twenty-three million, three hundred twelve thousand".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 50 56 64 70 80 100 112 125 128 140 160 175 200 224 250 280 320 350 400 448 500 560 640 700 800 875 896 1000 1120 1400 1600 1750 2000 2240 2800 3200 3500 4000 4480 5600 7000 8000 11200 14000 16000 22400 28000 56000 112000 269851 539702 1079404 1349255 1888957 2158808 2698510 3777914 4317616 5397020 6746275 7555828 8635232 9444785 10794040 13492550 15111656 17270464 18889570 21588080 26985100 30223312 33731375 34540928 37779140 43176160 47223925 53970200 60446624 67462750 75558280 86352320 94447850 107940400 120893248 134925500 151116560 172704640 188895700 215880800 236119625 241786496 269851000 302233120 377791400 431761600 472239250 539702000 604466240 755582800 863523200 944478500 1079404000 1208932480 1511165600 1888957000 2158808000 3022331200 3777914000 4317616000 6044662400 7555828000 15111656000 30223312000