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6140681239 = 71179749107
BaseRepresentation
bin1011011100000001…
…10101110000010111
3120211221202221001111
411232000311300113
5100034003244424
62453200035451
7305112633520
oct55600656027
916757687044
106140681239
112671288780
121234602b87
1376b2841c4
1442378d847
1525e176194
hex16e035c17

6140681239 has 8 divisors (see below), whose sum is σ = 7655914368. Its totient is φ = 4784946360.

The previous prime is 6140681227. The next prime is 6140681249. The reversal of 6140681239 is 9321860416.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6140681239 - 27 = 6140681111 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 (6140681219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39874477 + ... + 39874630.

It is an arithmetic number, because the mean of its divisors is an integer number (956989296).

Almost surely, 26140681239 is an apocalyptic number.

6140681239 is a deficient number, since it is larger than the sum of its proper divisors (1515233129).

6140681239 is a wasteful number, since it uses less digits than its factorization.

6140681239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79749125.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 6140681239 is about 78362.4989328441. The cubic root of 6140681239 is about 1831.2129515209.

The spelling of 6140681239 in words is "six billion, one hundred forty million, six hundred eighty-one thousand, two hundred thirty-nine".

Divisors: 1 7 11 77 79749107 558243749 877240177 6140681239