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427922047388160 = 29345132176771061
BaseRepresentation
bin110000101001100010101110…
…1101000000100101000000000
32002010010221121020112001020000
41201103011131220010220000
5422042033323112410120
64114040401422120000
7156064230152502543
oct14123053550045000
92063127536461200
10427922047388160
111143927a2933916
123bbb21aba20000
13154a0b5051a800
14779577527c85a
15347137b57e990
hex185315da04a00

427922047388160 has 2400 divisors, whose sum is σ = 1761530064739632. Its totient is φ = 98898762792960.

The previous prime is 427922047388131. The next prime is 427922047388191. The reversal of 427922047388160 is 61883740229724.

It is a happy number.

427922047388160 is a `hidden beast` number, since 4 + 2 + 7 + 9 + 2 + 20 + 473 + 8 + 81 + 60 = 666.

It can be written as a sum of positive squares in 24 ways, for example, as 6242722119936 + 421679325268224 = 2498544^2 + 20534832^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 403319554030 + ... + 403319555090.

Almost surely, 2427922047388160 is an apocalyptic number.

427922047388160 is a gapful number since it is divisible by the number (40) 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 427922047388160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (880765032369816).

427922047388160 is an abundant number, since it is smaller than the sum of its proper divisors (1333608017351472).

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

427922047388160 is a wasteful number, since it uses less digits than its factorization.

427922047388160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1816 (or 1778 counting only the distinct ones).

The product of its (nonzero) digits is 65028096, while the sum is 63.

The spelling of 427922047388160 in words is "four hundred twenty-seven trillion, nine hundred twenty-two billion, forty-seven million, three hundred eighty-eight thousand, one hundred sixty".