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30550212000 = 253253711103107
BaseRepresentation
bin11100011100111011…
…110011110110100000
32220212002121120100100
4130130323303312200
51000031323241000
622011245022400
72131030342320
oct343473636640
986762546310
1030550212000
1111a578864a0
125b07254a00
132b5b37ac29
14169b551280
15bdc0aea00
hex71cef3da0

30550212000 has 1152 divisors, whose sum is σ = 137764343808. Its totient is φ = 6227712000.

The previous prime is 30550211999. The next prime is 30550212019. The reversal of 30550212000 is 21205503.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 285515947 + ... + 285516053.

It is an arithmetic number, because the mean of its divisors is an integer number (119587104).

Almost surely, 230550212000 is an apocalyptic number.

30550212000 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 30550212000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68882171904).

30550212000 is an abundant number, since it is smaller than the sum of its proper divisors (107214131808).

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

30550212000 is a wasteful number, since it uses less digits than its factorization.

30550212000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259 (or 238 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

Adding to 30550212000 its reverse (21205503), we get a palindrome (30571417503).

The spelling of 30550212000 in words is "thirty billion, five hundred fifty million, two hundred twelve thousand".