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30020223400 = 2352401374317
BaseRepresentation
bin11011111101010110…
…000100000110101000
32212111011100100122221
4123331112010012220
5442440134122100
621442513323424
72111633455126
oct337526040650
985434310587
1030020223400
11118056a7192
125999866574
132aa56260cb
14164add0916
15baa7c101a
hex6fd5841a8

30020223400 has 48 divisors (see below), whose sum is σ = 69971263740. Its totient is φ = 11978112000.

The previous prime is 30020223391. The next prime is 30020223413. The reversal of 30020223400 is 432202003.

It can be written as a sum of positive squares in 6 ways, for example, as 14305595236 + 15714628164 = 119606^2 + 125358^2 .

It is an unprimeable number.

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, 106959 + ... + 267358.

Almost surely, 230020223400 is an apocalyptic number.

It is an amenable number.

30020223400 is an abundant number, since it is smaller than the sum of its proper divisors (39951040340).

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

30020223400 is a wasteful number, since it uses less digits than its factorization.

30020223400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374734 (or 374725 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

Adding to 30020223400 its reverse (432202003), we get a palindrome (30452425403).

The spelling of 30020223400 in words is "thirty billion, twenty million, two hundred twenty-three thousand, four hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 401 802 1604 2005 3208 4010 8020 10025 16040 20050 40100 80200 374317 748634 1497268 1871585 2994536 3743170 7486340 9357925 14972680 18715850 37431700 74863400 150101117 300202234 600404468 750505585 1200808936 1501011170 3002022340 3752527925 6004044680 7505055850 15010111700 30020223400