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84676534272 = 21336111289
BaseRepresentation
bin100111011011100011…
…1010110000000000000
322002120020211122000000
41032313013112000000
52341404143044042
6102522212000000
76055235444211
oct1166707260000
9262506748000
1084676534272
1132a02772540
12144b2000000
137ca5c6ab65
144153cb9408
152308d2d74c
hex13b71d6000

84676534272 has 392 divisors, whose sum is σ = 277194462120. Its totient is φ = 25639649280.

The previous prime is 84676534249. The next prime is 84676534273. The reversal of 84676534272 is 27243567648.

84676534272 is a `hidden beast` number, since 84 + 6 + 7 + 6 + 534 + 27 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

Its product of digits (13547520) is a multiple of the sum of its prime factors (1344).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84676534273) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 65691004 + ... + 65692292.

Almost surely, 284676534272 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 84676534272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138597231060).

84676534272 is an abundant number, since it is smaller than the sum of its proper divisors (192517927848).

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

84676534272 is an equidigital number, since it uses as much as digits as its factorization.

84676534272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344 (or 1305 counting only the distinct ones).

The product of its digits is 13547520, while the sum is 54.

The spelling of 84676534272 in words is "eighty-four billion, six hundred seventy-six million, five hundred thirty-four thousand, two hundred seventy-two".