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495385978164480 = 283251323292414397
BaseRepresentation
bin111000010100011010000100…
…1010000010101010100000000
32101222000102210120110211201200
41300220310021100111110000
51004412400440402230410
64513333102052501200
7206226312230442504
oct16050641120252400
92358012716424650
10495385978164480
11133933016a96097
124768915591a800
131835590ac55180
148a48b48918304
153c411d5acc3c0
hex1c28d09415500

495385978164480 has 5184 divisors, whose sum is σ = 2112520722504192. Its totient is φ = 106209088634880.

The previous prime is 495385978164463. The next prime is 495385978164491. The reversal of 495385978164480 is 84461879583594.

495385978164480 is a `hidden beast` number, since 4 + 9 + 5 + 3 + 8 + 5 + 9 + 78 + 1 + 64 + 480 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 495385978164480.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 575 ways as a sum of consecutive naturals, for example, 5107071939792 + ... + 5107071939888.

Almost surely, 2495385978164480 is an apocalyptic number.

495385978164480 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 495385978164480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1056260361252096).

495385978164480 is an abundant number, since it is smaller than the sum of its proper divisors (1617134744339712).

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

495385978164480 is a wasteful number, since it uses less digits than its factorization.

495385978164480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 8360755200, while the sum is 81.

The spelling of 495385978164480 in words is "four hundred ninety-five trillion, three hundred eighty-five billion, nine hundred seventy-eight million, one hundred sixty-four thousand, four hundred eighty".