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30303012100 = 2252303030121
BaseRepresentation
bin11100001110001100…
…110100010100000100
32220012212110111211111
4130032030310110010
5444030032341400
621530534414404
72121636232024
oct341614642404
986185414744
1030303012100
1111940295559
125a58501404
132b1c0a8bba
1416767a3a84
15bc55303ba
hex70e334504

30303012100 has 18 divisors (see below), whose sum is σ = 65757536474. Its totient is φ = 12121204800.

The previous prime is 30303012097. The next prime is 30303012109. The reversal of 30303012100 is 121030303.

It can be written as a sum of positive squares in 3 ways, for example, as 1733223424 + 28569788676 = 41632^2 + 169026^2 .

It is not an unprimeable number, because it can be changed into a prime (30303012109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 151514961 + ... + 151515160.

Almost surely, 230303012100 is an apocalyptic number.

It is an amenable number.

30303012100 is an abundant number, since it is smaller than the sum of its proper divisors (35454524374).

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

30303012100 is a wasteful number, since it uses less digits than its factorization.

30303012100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303030135 (or 303030128 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

Adding to 30303012100 its reverse (121030303), we get a palindrome (30424042403).

The spelling of 30303012100 in words is "thirty billion, three hundred three million, twelve thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 303030121 606060242 1212120484 1515150605 3030301210 6060602420 7575753025 15151506050 30303012100