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449790082722 = 2321580772
BaseRepresentation
bin1101000101110011001…
…00111111111010100010
31120222222122101122020200
412202321210333322202
524332132230121342
6542344122250030
744332134423021
oct6427144777242
91528878348220
10449790082722
111638338594a2
1273209956916
1333551a60a56
1417aaca8c8b8
15ba77b2594c
hex68b993fea2

449790082722 has 18 divisors (see below), whose sum is σ = 974551344273. Its totient is φ = 149929079112.

The previous prime is 449790082711. The next prime is 449790082723. The reversal of 449790082722 is 227280097944.

It is a happy number.

449790082722 is a `hidden beast` number, since 4 + 497 + 9 + 0 + 0 + 82 + 72 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 438388327881 + 11401754841 = 662109^2 + 106779^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅BA, here for A=2, B=474231.

It is a super-2 number, since 2×4497900827222 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (449790082723) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2766348 + ... + 2924424.

Almost surely, 2449790082722 is an apocalyptic number.

449790082722 is an abundant number, since it is smaller than the sum of its proper divisors (524761261551).

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

449790082722 is an frugal number, since it uses more digits than its factorization.

449790082722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316162 (or 158082 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 54.

The spelling of 449790082722 in words is "four hundred forty-nine billion, seven hundred ninety million, eighty-two thousand, seven hundred twenty-two".

Divisors: 1 2 3 6 9 18 158077 316154 474231 948462 1422693 2845386 24988337929 49976675858 74965013787 149930027574 224895041361 449790082722