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30304022100 = 22352113143832
BaseRepresentation
bin11100001110010000…
…101010111001010100
32220012221100211021220
4130032100222321110
5444030312201400
621531012210340
72121650636442
oct341620527124
986187324256
1030304022100
1111940915370
125a589099b0
132b1c370831
141676987b92
15bc567e7a0
hex70e42ae54

30304022100 has 432 divisors, whose sum is σ = 102264121344. Its totient is φ = 6860448000.

The previous prime is 30304022083. The next prime is 30304022101. The reversal of 30304022100 is 122040303.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 30304022100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30304022101) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 365108659 + ... + 365108741.

Almost surely, 230304022100 is an apocalyptic number.

30304022100 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 30304022100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51132060672).

30304022100 is an abundant number, since it is smaller than the sum of its proper divisors (71960099244).

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

30304022100 is a wasteful number, since it uses less digits than its factorization.

30304022100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 30304022100 its reverse (122040303), we get a palindrome (30426062403).

The spelling of 30304022100 in words is "thirty billion, three hundred four million, twenty-two thousand, one hundred".