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6460493139 = 321039969029
BaseRepresentation
bin1100000010001001…
…10100110101010011
3121200020120001111200
412001010310311103
5101212341240024
62545022442243
7316045166652
oct60104646523
917606501450
106460493139
112815864131
121303733383
137bc5ca909
1445403d199
1527c29a2c9
hex181134d53

6460493139 has 12 divisors (see below), whose sum is σ = 9332856000. Its totient is φ = 4306518864.

The previous prime is 6460493129. The next prime is 6460493191. The reversal of 6460493139 is 9313940646.

6460493139 is a `hidden beast` number, since 6 + 4 + 604 + 9 + 3 + 1 + 39 = 666.

It is not a de Polignac number, because 6460493139 - 212 = 6460489043 is a prime.

It is a super-3 number, since 3×64604931393 (a number of 30 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6460493094 and 6460493103.

It is not an unprimeable number, because it can be changed into a prime (6460493129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59077 + ... + 128105.

It is an arithmetic number, because the mean of its divisors is an integer number (777738000).

Almost surely, 26460493139 is an apocalyptic number.

6460493139 is a deficient number, since it is larger than the sum of its proper divisors (2872362861).

6460493139 is a wasteful number, since it uses less digits than its factorization.

6460493139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79434 (or 79431 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 45.

The square root of 6460493139 is about 80377.1929032110. The cubic root of 6460493139 is about 1862.4668716177.

The spelling of 6460493139 in words is "six billion, four hundred sixty million, four hundred ninety-three thousand, one hundred thirty-nine".

Divisors: 1 3 9 10399 31197 69029 93591 207087 621261 717832571 2153497713 6460493139