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392896825049 = 2913548166381
BaseRepresentation
bin1011011011110100111…
…10011100011011011001
31101120010122200200210002
411231322132130123121
522414123041400144
6500254434302345
740246230624101
oct5557236343331
91346118620702
10392896825049
11141699018983
12641904279b5
132b085b4c741
1415032a6a201
15a347eee14e
hex5b7a79c6d9

392896825049 has 4 divisors (see below), whose sum is σ = 406444991460. Its totient is φ = 379348658640.

The previous prime is 392896824979. The next prime is 392896825063. The reversal of 392896825049 is 940528698293.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 260140801600 + 132756023449 = 510040^2 + 364357^2 .

It is a cyclic number.

It is not a de Polignac number, because 392896825049 - 220 = 392895776473 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (392896845049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6774083162 + ... + 6774083219.

It is an arithmetic number, because the mean of its divisors is an integer number (101611247865).

Almost surely, 2392896825049 is an apocalyptic number.

It is an amenable number.

392896825049 is a deficient number, since it is larger than the sum of its proper divisors (13548166411).

392896825049 is a wasteful number, since it uses less digits than its factorization.

392896825049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13548166410.

The product of its (nonzero) digits is 67184640, while the sum is 65.

The spelling of 392896825049 in words is "three hundred ninety-two billion, eight hundred ninety-six million, eight hundred twenty-five thousand, forty-nine".

Divisors: 1 29 13548166381 392896825049