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30875299163280 = 243451121317317509
BaseRepresentation
bin1110000010100101101110…
…01111010010110010010000
311001022122112200111022210000
413001102313033102302100
513021330103041211110
6145355525554010000
76334444460461425
oct701226717226220
9131278480438700
1030875299163280
119924160507700
123567a0b276900
13142c6b3658b30
1478a530021d4c
1538820da291c0
hex1c14b73d2c90

30875299163280 has 1200 divisors, whose sum is σ = 127677210479280. Its totient is φ = 6868828200960.

The previous prime is 30875299163251. The next prime is 30875299163297. The reversal of 30875299163280 is 8236199257803.

30875299163280 is a `hidden beast` number, since 3 + 0 + 8 + 7 + 5 + 299 + 1 + 63 + 280 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 4279536239616 + 26595762923664 = 2068704^2 + 5157108^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 1763387166 + ... + 1763404674.

Almost surely, 230875299163280 is an apocalyptic number.

30875299163280 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 30875299163280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63838605239640).

30875299163280 is an abundant number, since it is smaller than the sum of its proper divisors (96801911316000).

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

30875299163280 is a wasteful number, since it uses less digits than its factorization.

30875299163280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17742 (or 17716 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 63.

The spelling of 30875299163280 in words is "thirty trillion, eight hundred seventy-five billion, two hundred ninety-nine million, one hundred sixty-three thousand, two hundred eighty".