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30490669307904 = 21131315119313099
BaseRepresentation
bin1101110111011001010011…
…00000110101100000000000
310222221212202011120012102220
412323230221200311200000
512444024342320323104
6144503115313211040
76264610131604611
oct673545140654000
9128855664505386
1030490669307904
119796024a30473
123505367560a80
131402347453c30
14775a832b5c08
1537d1eb6ac7d9
hex1bbb29835800

30490669307904 has 384 divisors, whose sum is σ = 88584664896000. Its totient is φ = 9270617702400.

The previous prime is 30490669307851. The next prime is 30490669307971. The reversal of 30490669307904 is 40970396609403.

It is a tau number, because it is divible by the number of its divisors (384).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2327703147 + ... + 2327716245.

It is an arithmetic number, because the mean of its divisors is an integer number (230689231500).

Almost surely, 230490669307904 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 30490669307904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44292332448000).

30490669307904 is an abundant number, since it is smaller than the sum of its proper divisors (58093995588096).

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

30490669307904 is a wasteful number, since it uses less digits than its factorization.

30490669307904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13481 (or 13461 counting only the distinct ones).

The product of its (nonzero) digits is 26453952, while the sum is 60.

The spelling of 30490669307904 in words is "thirty trillion, four hundred ninety billion, six hundred sixty-nine million, three hundred seven thousand, nine hundred four".