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30312046200 = 23352415367347
BaseRepresentation
bin11100001110101111…
…010001111001111000
32220020111110111021210
4130032233101321320
5444034340434300
621531500203120
72122106066352
oct341657217170
986214414253
1030312046200
11119453a5a57
125a5b5394a0
132b20c1cc17
141677a760d2
15bc6217050
hex70ebd1e78

30312046200 has 384 divisors, whose sum is σ = 99826110720. Its totient is φ = 7599820800.

The previous prime is 30312046187. The next prime is 30312046213. The reversal of 30312046200 is 264021303.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30312046187) and next prime (30312046213).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 87354427 + ... + 87354773.

It is an arithmetic number, because the mean of its divisors is an integer number (259963830).

Almost surely, 230312046200 is an apocalyptic number.

30312046200 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30312046200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49913055360).

30312046200 is an abundant number, since it is smaller than the sum of its proper divisors (69514064520).

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

30312046200 is a wasteful number, since it uses less digits than its factorization.

30312046200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527 (or 518 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 30312046200 its reverse (264021303), we get a palindrome (30576067503).

The spelling of 30312046200 in words is "thirty billion, three hundred twelve million, forty-six thousand, two hundred".