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494733754368 = 2173572317
BaseRepresentation
bin1110011001100000110…
…11100000000000000000
31202021222211211201100000
413030300123200000000
531101203320114433
61015135541200000
750512651345500
oct7146033400000
91667884751300
10494733754368
111808a7341187
127ba71400000
13378650ac1b9
1419d33a57a00
15cd08639113
hex73306e0000

494733754368 has 648 divisors, whose sum is σ = 1729583862552. Its totient is φ = 140906594304.

The previous prime is 494733754349. The next prime is 494733754397. The reversal of 494733754368 is 863457337494.

It is a happy number.

494733754368 is a `hidden beast` number, since 49 + 47 + 3 + 3 + 7 + 543 + 6 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (648).

It is a super-2 number, since 2×4947337543682 (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 35 ways as a sum of consecutive naturals, for example, 1560674146 + ... + 1560674462.

It is an arithmetic number, because the mean of its divisors is an integer number (2669110899).

Almost surely, 2494733754368 is an apocalyptic number.

494733754368 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 494733754368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (864791931276).

494733754368 is an abundant number, since it is smaller than the sum of its proper divisors (1234850108184).

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

494733754368 is an frugal number, since it uses more digits than its factorization.

494733754368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380 (or 329 counting only the distinct ones).

The product of its digits is 182891520, while the sum is 63.

The spelling of 494733754368 in words is "four hundred ninety-four billion, seven hundred thirty-three million, seven hundred fifty-four thousand, three hundred sixty-eight".