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6402131341 = 12750410483
BaseRepresentation
bin1011111011001100…
…01100010110001101
3121112011201222011121
411331212030112031
5101102421200331
62535135520541
7314436134644
oct57546142615
917464658147
106402131341
112795922041
1212a8089151
137b04a54c8
1444a3aa35b
152770bcc11
hex17d98c58d

6402131341 has 4 divisors (see below), whose sum is σ = 6452541952. Its totient is φ = 6351720732.

The previous prime is 6402131279. The next prime is 6402131347. The reversal of 6402131341 is 1431312046.

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 6402131341 - 225 = 6368576909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6402131347) 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, 25205115 + ... + 25205368.

It is an arithmetic number, because the mean of its divisors is an integer number (1613135488).

Almost surely, 26402131341 is an apocalyptic number.

It is an amenable number.

6402131341 is a deficient number, since it is larger than the sum of its proper divisors (50410611).

6402131341 is a wasteful number, since it uses less digits than its factorization.

6402131341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50410610.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 6402131341 is about 80013.3197723979. The cubic root of 6402131341 is about 1856.8416107496.

Adding to 6402131341 its reverse (1431312046), we get a palindrome (7833443387).

The spelling of 6402131341 in words is "six billion, four hundred two million, one hundred thirty-one thousand, three hundred forty-one".

Divisors: 1 127 50410483 6402131341