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30200004400 = 245275500011
BaseRepresentation
bin11100001000000011…
…110111111100110000
32212221200122011211111
4130020003313330300
5443322200120100
621512414523104
72116245542026
oct341003677460
985850564744
1030200004400
111189812a325
125a29b06494
132b039513b7
141666c2c716
15bbb4846ba
hex7080f7f30

30200004400 has 30 divisors (see below), whose sum is σ = 72555511532. Its totient is φ = 12080001600.

The previous prime is 30200004397. The next prime is 30200004407. The reversal of 30200004400 is 440000203.

It is not an unprimeable number, because it can be changed into a prime (30200004407) 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, 37749606 + ... + 37750405.

Almost surely, 230200004400 is an apocalyptic number.

It is an amenable number.

30200004400 is an abundant number, since it is smaller than the sum of its proper divisors (42355507132).

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

30200004400 is a wasteful number, since it uses less digits than its factorization.

30200004400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75500029 (or 75500018 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

Adding to 30200004400 its reverse (440000203), we get a palindrome (30640004603).

The spelling of 30200004400 in words is "thirty billion, two hundred million, four thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 75500011 151000022 302000044 377500055 604000088 755000110 1208000176 1510000220 1887500275 3020000440 3775000550 6040000880 7550001100 15100002200 30200004400