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485406081888 = 253713237273323
BaseRepresentation
bin1110001000001000111…
…01010000001101100000
31201101220210011212011220
413010010131100031200
530423102424110023
61010554212535040
750032546422210
oct7040435201540
91641823155156
10485406081888
11177950095852
127a0a9621480
1336a09792680
14196cad08240
15c95e7d43e3
hex7104750360

485406081888 has 384 divisors, whose sum is σ = 1639163215872. Its totient is φ = 122247899136.

The previous prime is 485406081887. The next prime is 485406081931. The reversal of 485406081888 is 888180604584.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485406081887) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 146072995 + ... + 146076317.

It is an arithmetic number, because the mean of its divisors is an integer number (4268654208).

Almost surely, 2485406081888 is an apocalyptic number.

485406081888 is a gapful number since it is divisible by the number (48) 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 485406081888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (819581607936).

485406081888 is an abundant number, since it is smaller than the sum of its proper divisors (1153757133984).

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

485406081888 is a wasteful number, since it uses less digits than its factorization.

485406081888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4106 (or 4098 counting only the distinct ones).

The product of its (nonzero) digits is 15728640, while the sum is 60.

The spelling of 485406081888 in words is "four hundred eighty-five billion, four hundred six million, eighty-one thousand, eight hundred eighty-eight".