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1313014121 = 29173261713
BaseRepresentation
bin100111001000011…
…0000000101101001
310101111200000202122
41032100300011221
510142112422441
6334142241025
744352302336
oct11620600551
93344600678
101313014121
11614186a41
12307886175
1317c043743
14c654b98d
157a41134b
hex4e430169

1313014121 has 8 divisors (see below), whose sum is σ = 1366147080. Its totient is φ = 1260404992.

The previous prime is 1313014117. The next prime is 1313014123. The reversal of 1313014121 is 1214103131.

It can be written as a sum of positive squares in 4 ways, for example, as 339886096 + 973128025 = 18436^2 + 31195^2 .

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 1313014121 - 22 = 1313014117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1313014121.

It is not an unprimeable number, because it can be changed into a prime (1313014123) 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, 125840 + ... + 135873.

It is an arithmetic number, because the mean of its divisors is an integer number (170768385).

Almost surely, 21313014121 is an apocalyptic number.

It is an amenable number.

1313014121 is a deficient number, since it is larger than the sum of its proper divisors (53132959).

1313014121 is a wasteful number, since it uses less digits than its factorization.

1313014121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261915.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1313014121 is about 36235.5367146673. The cubic root of 1313014121 is about 1095.0227252152.

Adding to 1313014121 its reverse (1214103131), we get a palindrome (2527117252).

The spelling of 1313014121 in words is "one billion, three hundred thirteen million, fourteen thousand, one hundred twenty-one".

Divisors: 1 29 173 5017 261713 7589677 45276349 1313014121