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30053210880 = 2835711101641
BaseRepresentation
bin11011111111010011…
…111001101100000000
32212120110102021222110
4123333103321230000
5443022110222010
621450052335320
72112514035420
oct337723715400
985513367873
1030053210880
1111822288170
1259a8914540
132aac405b24
14165153a480
15bad63a120
hex6ff4f9b00

30053210880 has 288 divisors, whose sum is σ = 119667598848. Its totient is φ = 6244761600.

The previous prime is 30053210819. The next prime is 30053210881. The reversal of 30053210880 is 8801235003.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (30053210881) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 244860 + ... + 346500.

It is an arithmetic number, because the mean of its divisors is an integer number (415512496).

Almost surely, 230053210880 is an apocalyptic number.

30053210880 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 30053210880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59833799424).

30053210880 is an abundant number, since it is smaller than the sum of its proper divisors (89614387968).

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

30053210880 is a wasteful number, since it uses less digits than its factorization.

30053210880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101683 (or 101669 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

Adding to 30053210880 its reverse (8801235003), we get a palindrome (38854445883).

The spelling of 30053210880 in words is "thirty billion, fifty-three million, two hundred ten thousand, eight hundred eighty".