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30298972060 = 225719294761137
BaseRepresentation
bin11100001101111101…
…011001111110011100
32220012120212020221101
4130031331121332130
5444023014101220
621530312042444
72121560004340
oct341575317634
986176766841
1030298972060
1111938a86185
125a57093424
132b1b2c3046
141676031620
15bc4ed330a
hex70df59f9c

30298972060 has 384 divisors, whose sum is σ = 82794700800. Its totient is φ = 9080709120.

The previous prime is 30298972043. The next prime is 30298972061. The reversal of 30298972060 is 6027989203.

It is a self number, because there is not a number n which added to its sum of digits gives 30298972060.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30298972061) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 221160312 + ... + 221160448.

It is an arithmetic number, because the mean of its divisors is an integer number (215611200).

Almost surely, 230298972060 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30298972060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41397350400).

30298972060 is an abundant number, since it is smaller than the sum of its proper divisors (52495728740).

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

30298972060 is a wasteful number, since it uses less digits than its factorization.

30298972060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309 (or 307 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 46.

The spelling of 30298972060 in words is "thirty billion, two hundred ninety-eight million, nine hundred seventy-two thousand, sixty".