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6401052361 = 11581913851
BaseRepresentation
bin1011111011000100…
…00100111011001001
3121112002201011002101
411331202010323021
5101102132133421
62535100433401
7314424022144
oct57542047311
917462634071
106401052361
112795255420
1212a7848861
137b01b8362
1444a1a905b
15276e58191
hex17d884ec9

6401052361 has 4 divisors (see below), whose sum is σ = 6982966224. Its totient is φ = 5819138500.

The previous prime is 6401052319. The next prime is 6401052373. The reversal of 6401052361 is 1632501046.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6401052361 - 219 = 6400528073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6401052311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290956915 + ... + 290956936.

It is an arithmetic number, because the mean of its divisors is an integer number (1745741556).

Almost surely, 26401052361 is an apocalyptic number.

It is an amenable number.

6401052361 is a deficient number, since it is larger than the sum of its proper divisors (581913863).

6401052361 is a wasteful number, since it uses less digits than its factorization.

6401052361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581913862.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 6401052361 is about 80006.5769858954. The cubic root of 6401052361 is about 1856.7372909318.

The spelling of 6401052361 in words is "six billion, four hundred one million, fifty-two thousand, three hundred sixty-one".

Divisors: 1 11 581913851 6401052361