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497223039730720 = 255292712831397261
BaseRepresentation
bin111000100001110001100001…
…0101010000100010000100000
32102012112001120112220122100211
41301003203002222010100200
51010133000241132340340
64521301035553423504
7206506115306221222
oct16103430252042040
92365461515818324
10497223039730720
1113448111a393a66
12479251a5b6ab94
1318459c15543214
148aada1b516412
153c73da418a5ea
hex1c438c2a84420

497223039730720 has 192 divisors, whose sum is σ = 1223990781027840. Its totient is φ = 190646178508800.

The previous prime is 497223039730717. The next prime is 497223039730721. The reversal of 497223039730720 is 27037930322794.

It is a super-2 number, since 2×4972230397307202 (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is not an unprimeable number, because it can be changed into a prime (497223039730721) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 355156890 + ... + 356554150.

It is an arithmetic number, because the mean of its divisors is an integer number (6374951984520).

Almost surely, 2497223039730720 is an apocalyptic number.

497223039730720 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 497223039730720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (611995390513920).

497223039730720 is an abundant number, since it is smaller than the sum of its proper divisors (726767741297120).

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

497223039730720 is a wasteful number, since it uses less digits than its factorization.

497223039730720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397859 (or 1397851 counting only the distinct ones).

The product of its (nonzero) digits is 24004512, while the sum is 58.

The spelling of 497223039730720 in words is "four hundred ninety-seven trillion, two hundred twenty-three billion, thirty-nine million, seven hundred thirty thousand, seven hundred twenty".