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485908645824 = 26337271131617
BaseRepresentation
bin1110001001000100110…
…10011000011111000000
31201110012210211202022000
413010202122120133000
530430120103131244
61011120124344000
750051161225200
oct7044232303700
91643183752260
10485908645824
11178088843548
127a2099a5000
1336a89934794
141973796a400
15c98d9a7169
hex71226987c0

485908645824 has 672 divisors, whose sum is σ = 1700722552320. Its totient is φ = 135610675200.

The previous prime is 485908645813. The next prime is 485908645837. The reversal of 485908645824 is 428546809584.

485908645824 is a `hidden beast` number, since 4 + 85 + 9 + 0 + 86 + 458 + 24 = 666.

It is a tau number, because it is divible by the number of its divisors (672).

It is a super-2 number, since 2×4859086458242 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 787533964 + ... + 787534580.

Almost surely, 2485908645824 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 485908645824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (850361276160).

485908645824 is an abundant number, since it is smaller than the sum of its proper divisors (1214813906496).

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

485908645824 is a wasteful number, since it uses less digits than its factorization.

485908645824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854 (or 831 counting only the distinct ones).

The product of its (nonzero) digits is 88473600, while the sum is 63.

The spelling of 485908645824 in words is "four hundred eighty-five billion, nine hundred eight million, six hundred forty-five thousand, eight hundred twenty-four".