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1210013313 = 32936737897
BaseRepresentation
bin100100000011111…
…0101011010000001
310010022212001012220
41020013311122001
54434230411223
6320022441253
741661641415
oct11007653201
93108761186
101210013313
11571025a03
12299293229
131638bc112
14b69b8d45
15713676e3
hex481f5681

1210013313 has 16 divisors (see below), whose sum is σ = 1673575680. Its totient is φ = 776716416.

The previous prime is 1210013303. The next prime is 1210013339. The reversal of 1210013313 is 3133100121.

It is not a de Polignac number, because 1210013313 - 210 = 1210012289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1210013292 and 1210013301.

It is not an unprimeable number, because it can be changed into a prime (1210013303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12981 + ... + 50877.

It is an arithmetic number, because the mean of its divisors is an integer number (104598480).

Almost surely, 21210013313 is an apocalyptic number.

It is an amenable number.

1210013313 is a deficient number, since it is larger than the sum of its proper divisors (463562367).

1210013313 is a wasteful number, since it uses less digits than its factorization.

1210013313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38296.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1210013313 is about 34785.2456222462. The cubic root of 1210013313 is about 1065.6061448411.

Adding to 1210013313 its reverse (3133100121), we get a palindrome (4343113434).

The spelling of 1210013313 in words is "one billion, two hundred ten million, thirteen thousand, three hundred thirteen".

Divisors: 1 3 29 87 367 1101 10643 31929 37897 113691 1099013 3297039 13908199 41724597 403337771 1210013313