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30842694879984 = 243513267700591
BaseRepresentation
bin1110000001101000111111…
…10111110100101011110000
311001012112101102210010100000
413000310133313310223300
513020311314342124414
6145332534411030000
76332211505602051
oct700643767645360
9131175342703300
1030842694879984
11991134a213029
12356163013b300
1314295b8881300
14788b19b7c728
15387451475b09
hex1c0d1fdf4af0

30842694879984 has 360 divisors, whose sum is σ = 98375794712832. Its totient is φ = 9348403933440.

The previous prime is 30842694879973. The next prime is 30842694879991. The reversal of 30842694879984 is 48997849624803.

30842694879984 is a `hidden beast` number, since 3 + 0 + 8 + 42 + 6 + 9 + 487 + 9 + 98 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (81).

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, 43673529 + ... + 44374119.

Almost surely, 230842694879984 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 30842694879984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49187897356416).

30842694879984 is an abundant number, since it is smaller than the sum of its proper divisors (67533099832848).

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

30842694879984 is a wasteful number, since it uses less digits than its factorization.

30842694879984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700707 (or 700676 counting only the distinct ones).

The product of its (nonzero) digits is 6019743744, while the sum is 81.

The spelling of 30842694879984 in words is "thirty trillion, eight hundred forty-two billion, six hundred ninety-four million, eight hundred seventy-nine thousand, nine hundred eighty-four".