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30668897019384 = 23341337534394229
BaseRepresentation
bin1101111100100101010001…
…01101100110010111111000
311000120220210011110000220000
412332102220231212113320
513004434400114110014
6145121032523433000
76313516600265031
oct676225055462770
9130526704400800
1030668897019384
119854673915a98
123533a07685760
1314160abb5b840
1478054d96da88
15382b7d4d3509
hex1be4a8b665f8

30668897019384 has 640 divisors, whose sum is σ = 97045424784000. Its totient is φ = 8985658945536.

The previous prime is 30668897019377. The next prime is 30668897019403. The reversal of 30668897019384 is 48391079886603.

30668897019384 is a `hidden beast` number, since 30 + 6 + 68 + 89 + 70 + 19 + 384 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 7252042582 + ... + 7252046810.

It is an arithmetic number, because the mean of its divisors is an integer number (151633476225).

Almost surely, 230668897019384 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 30668897019384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48522712392000).

30668897019384 is an abundant number, since it is smaller than the sum of its proper divisors (66376527764616).

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

30668897019384 is a wasteful number, since it uses less digits than its factorization.

30668897019384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4789 (or 4776 counting only the distinct ones).

The product of its (nonzero) digits is 376233984, while the sum is 72.

The spelling of 30668897019384 in words is "thirty trillion, six hundred sixty-eight billion, eight hundred ninety-seven million, nineteen thousand, three hundred eighty-four".