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1310117051 = 19211332633
BaseRepresentation
bin100111000010110…
…1100110010111011
310101022012211201202
41032011230302323
510140342221201
6334000204415
744315545145
oct11605546273
93338184652
101310117051
11612588371
1230690970b
1317b56abb9
14c5dd5c95
157a03cc6b
hex4e16ccbb

1310117051 has 8 divisors (see below), whose sum is σ = 1379765520. Its totient is φ = 1240538112.

The previous prime is 1310117047. The next prime is 1310117059. The reversal of 1310117051 is 1507110131.

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 1310117051 - 22 = 1310117047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1310117059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23831 + ... + 56463.

It is an arithmetic number, because the mean of its divisors is an integer number (172470690).

Almost surely, 21310117051 is an apocalyptic number.

1310117051 is a deficient number, since it is larger than the sum of its proper divisors (69648469).

1310117051 is a wasteful number, since it uses less digits than its factorization.

1310117051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34765.

The product of its (nonzero) digits is 105, while the sum is 20.

The square root of 1310117051 is about 36195.5391035967. The cubic root of 1310117051 is about 1094.2167695412.

Adding to 1310117051 its reverse (1507110131), we get a palindrome (2817227182).

The spelling of 1310117051 in words is "one billion, three hundred ten million, one hundred seventeen thousand, fifty-one".

Divisors: 1 19 2113 32633 40147 620027 68953529 1310117051