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84930215648 = 252654069239
BaseRepresentation
bin100111100011000111…
…1000011111011100000
322010012221011222102112
41033012033003323200
52342414113400043
6103003313134452
76064435631105
oct1170617037340
9263187158375
1084930215648
1133022990073
1214562b5a428
13801669c095
144179872aac
15232123d518
hex13c63c3ee0

84930215648 has 12 divisors (see below), whose sum is σ = 167206362120. Its totient is φ = 42465107808.

The previous prime is 84930215641. The next prime is 84930215791. The reversal of 84930215648 is 84651203948.

It is a super-3 number, since 3×849302156483 (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 84930215596 and 84930215605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84930215641) by changing a digit.

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 as a sum of consecutive naturals, namely, 1327034588 + ... + 1327034651.

It is an arithmetic number, because the mean of its divisors is an integer number (13933863510).

Almost surely, 284930215648 is an apocalyptic number.

It is an amenable number.

84930215648 is a deficient number, since it is larger than the sum of its proper divisors (82276146472).

84930215648 is a wasteful number, since it uses less digits than its factorization.

84930215648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2654069249 (or 2654069241 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 50.

The spelling of 84930215648 in words is "eighty-four billion, nine hundred thirty million, two hundred fifteen thousand, six hundred forty-eight".

Divisors: 1 2 4 8 16 32 2654069239 5308138478 10616276956 21232553912 42465107824 84930215648