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427968532546560 = 21032531367816341
BaseRepresentation
bin110000101001111000011000…
…0010110111000010000000000
32002010022101120212112202121100
41201103300300112320100000
5422043314023312442220
64114114010224254400
7156100464125022645
oct14123606026702000
92063271525482540
10427968532546560
111144004875623a5
123bbbb203771400
13154a534b0256b5
147797b04c69dcc
15347269c584d90
hex1853c305b8400

427968532546560 has 528 divisors, whose sum is σ = 1534908119427072. Its totient is φ = 110142421401600.

The previous prime is 427968532546559. The next prime is 427968532546579. The reversal of 427968532546560 is 65645235869724.

427968532546560 is a `hidden beast` number, since 4 + 2 + 7 + 9 + 6 + 8 + 5 + 3 + 2 + 54 + 6 + 560 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

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 47 ways as a sum of consecutive naturals, for example, 523843990 + ... + 524660330.

Almost surely, 2427968532546560 is an apocalyptic number.

427968532546560 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 427968532546560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (767454059713536).

427968532546560 is an abundant number, since it is smaller than the sum of its proper divisors (1106939586880512).

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

427968532546560 is a wasteful number, since it uses less digits than its factorization.

427968532546560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816770 (or 816749 counting only the distinct ones).

The product of its (nonzero) digits is 2612736000, while the sum is 72.

The spelling of 427968532546560 in words is "four hundred twenty-seven trillion, nine hundred sixty-eight billion, five hundred thirty-two million, five hundred forty-six thousand, five hundred sixty".