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30747113983872 = 27321121338894363
BaseRepresentation
bin1101111110110110111101…
…10011101000111110000000
311000212101200020110111222200
412333123132303220332000
513012230042134440442
6145221010144433200
76322256101436256
oct677333663507600
9130771606414880
1030747113983872
1198848612a5100
123546bb6318800
131420595763150
1478424d9aa5d6
15384c0a19a34c
hex1bf6dece8f80

30747113983872 has 576 divisors, whose sum is σ = 104784622378800. Its totient is φ = 8596409057280.

The previous prime is 30747113983783. The next prime is 30747113983913. The reversal of 30747113983872 is 27838931174703.

30747113983872 is a `hidden beast` number, since 3 + 0 + 7 + 471 + 1 + 3 + 9 + 83 + 87 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a super-2 number, since 2×307471139838722 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 7047239163 + ... + 7047243525.

Almost surely, 230747113983872 is an apocalyptic number.

30747113983872 is a gapful number since it is divisible by the number (32) 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 30747113983872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52392311189400).

30747113983872 is an abundant number, since it is smaller than the sum of its proper divisors (74037508394928).

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

30747113983872 is a wasteful number, since it uses less digits than its factorization.

30747113983872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8307 (or 8281 counting only the distinct ones).

The product of its (nonzero) digits is 42674688, while the sum is 63.

The spelling of 30747113983872 in words is "thirty trillion, seven hundred forty-seven billion, one hundred thirteen million, nine hundred eighty-three thousand, eight hundred seventy-two".