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38055547449 = 324228394161
BaseRepresentation
bin100011011100010010…
…011001001000111001
310122020011020010001100
4203130102121020321
51110414210004244
625252114242013
72515023546633
oct433422311071
9118204203040
1038055547449
1115159401067
127460886309
13378628661a
141bb0251a53
15ecae47b69
hex8dc499239

38055547449 has 6 divisors (see below), whose sum is σ = 54969124106. Its totient is φ = 25370364960.

The previous prime is 38055547427. The next prime is 38055547513. The reversal of 38055547449 is 94474555083.

It is a happy number.

38055547449 is a `hidden beast` number, since 3 + 8 + 0 + 55 + 547 + 4 + 49 = 666.

It can be written as a sum of positive squares in only one way, i.e., 29286161424 + 8769386025 = 171132^2 + 93645^2 .

It is not a de Polignac number, because 38055547449 - 212 = 38055543353 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38055547395 and 38055547404.

It is not an unprimeable number, because it can be changed into a prime (38055546449) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2114197072 + ... + 2114197089.

Almost surely, 238055547449 is an apocalyptic number.

It is an amenable number.

38055547449 is a deficient number, since it is larger than the sum of its proper divisors (16913576657).

38055547449 is a wasteful number, since it uses less digits than its factorization.

38055547449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4228394167 (or 4228394164 counting only the distinct ones).

The product of its (nonzero) digits is 12096000, while the sum is 54.

The spelling of 38055547449 in words is "thirty-eight billion, fifty-five million, five hundred forty-seven thousand, four hundred forty-nine".

Divisors: 1 3 9 4228394161 12685182483 38055547449