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1316620015015 = 51631615484681
BaseRepresentation
bin10011001010001100101…
…010110001010110100111
311122212102111211200201211
4103022030222301112213
5133032414210440030
62444502532132251
7164060033321554
oct23121452612647
94585374750654
101316620015015
11468414746498
12193205467087
1397206466456
1447a209d3a2b
15243ad08e12a
hex1328cab15a7

1316620015015 has 8 divisors (see below), whose sum is σ = 1589636927088. Its totient is φ = 1046834072640.

The previous prime is 1316620014991. The next prime is 1316620015019. The reversal of 1316620015015 is 5105100266131.

It is a happy number.

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

It is not a de Polignac number, because 1316620015015 - 27 = 1316620014887 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 (1316620015019) 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, 807741526 + ... + 807743155.

It is an arithmetic number, because the mean of its divisors is an integer number (198704615886).

Almost surely, 21316620015015 is an apocalyptic number.

1316620015015 is a deficient number, since it is larger than the sum of its proper divisors (273016912073).

1316620015015 is a wasteful number, since it uses less digits than its factorization.

1316620015015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1615484849.

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 1316620015015 in words is "one trillion, three hundred sixteen billion, six hundred twenty million, fifteen thousand, fifteen".

Divisors: 1 5 163 815 1615484681 8077423405 263324003003 1316620015015