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316489115387 = 541585007607
BaseRepresentation
bin1001001101100000011…
…10001010011011111011
31010020220200002212201102
410212300032022123323
520141132203143022
6401220524042015
731602616044134
oct4466016123373
91106820085642
10316489115387
11112249944795
125140769330b
1323aca028813
1411465034c8b
1583750bca92
hex49b038a6fb

316489115387 has 4 divisors (see below), whose sum is σ = 317074123536. Its totient is φ = 315904107240.

The previous prime is 316489115381. The next prime is 316489115407. The reversal of 316489115387 is 783511984613.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 783511984613 = 1116597017007.

It is a cyclic number.

It is not a de Polignac number, because 316489115387 - 210 = 316489114363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (316489115381) 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, 292503263 + ... + 292504344.

It is an arithmetic number, because the mean of its divisors is an integer number (79268530884).

Almost surely, 2316489115387 is an apocalyptic number.

316489115387 is a deficient number, since it is larger than the sum of its proper divisors (585008149).

316489115387 is an equidigital number, since it uses as much as digits as its factorization.

316489115387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585008148.

The product of its digits is 4354560, while the sum is 56.

The spelling of 316489115387 in words is "three hundred sixteen billion, four hundred eighty-nine million, one hundred fifteen thousand, three hundred eighty-seven".

Divisors: 1 541 585007607 316489115387