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30201402240 = 2732516731397
BaseRepresentation
bin11100001000001001…
…001101001110000000
32212221210021012022100
4130020021031032000
5443323024332430
621512504510400
72116263453252
oct341011151600
985853235270
1030201402240
11118989a4569
125a2a47b400
132b04020719
1416670b3cd2
15bbb65d960
hex70824d380

30201402240 has 192 divisors, whose sum is σ = 104917044960. Its totient is φ = 8005226496.

The previous prime is 30201402223. The next prime is 30201402251. The reversal of 30201402240 is 4220410203.

30201402240 is a `hidden beast` number, since 3 + 0 + 20 + 1 + 402 + 240 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 946222 + ... + 977618.

Almost surely, 230201402240 is an apocalyptic number.

30201402240 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 30201402240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52458522480).

30201402240 is an abundant number, since it is smaller than the sum of its proper divisors (74715642720).

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

30201402240 is a wasteful number, since it uses less digits than its factorization.

30201402240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31589 (or 31574 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 30201402240 its reverse (4220410203), we get a palindrome (34421812443).

The spelling of 30201402240 in words is "thirty billion, two hundred one million, four hundred two thousand, two hundred forty".