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30231124400 = 245275577811
BaseRepresentation
bin11100001001111010…
…100101100110110000
32220000212012020110002
4130021322211212300
5443403131440100
621515445525132
72120104213631
oct341172454660
986025166402
1030231124400
1111903755234
125a384137a8
132b0a2290b9
14166b00d888
15bbe0802d5
hex709ea59b0

30231124400 has 30 divisors (see below), whose sum is σ = 72630277332. Its totient is φ = 12092449600.

The previous prime is 30231124349. The next prime is 30231124403. The reversal of 30231124400 is 442113203.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (30231124403) 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 5 ways as a sum of consecutive naturals, for example, 37788506 + ... + 37789305.

Almost surely, 230231124400 is an apocalyptic number.

It is an amenable number.

30231124400 is an abundant number, since it is smaller than the sum of its proper divisors (42399152932).

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

30231124400 is a wasteful number, since it uses less digits than its factorization.

30231124400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75577829 (or 75577818 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 30231124400 its reverse (442113203), we get a palindrome (30673237603).

The spelling of 30231124400 in words is "thirty billion, two hundred thirty-one million, one hundred twenty-four thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 75577811 151155622 302311244 377889055 604622488 755778110 1209244976 1511556220 1889445275 3023112440 3778890550 6046224880 7557781100 15115562200 30231124400