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1210131006 = 23779364717
BaseRepresentation
bin100100000100001…
…0010001000111110
310010100002000122220
41020020102020332
54434243143011
6320025150210
741662641510
oct11010221076
93110060586
101210131006
115710a6377
1229932b366
13163930866
14b6a09bb0
157138c506
hex4821223e

1210131006 has 32 divisors (see below), whose sum is σ = 2801034240. Its totient is φ = 341374176.

The previous prime is 1210130951. The next prime is 1210131049. The reversal of 1210131006 is 6001310121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179041 + ... + 185676.

It is an arithmetic number, because the mean of its divisors is an integer number (87532320).

Almost surely, 21210131006 is an apocalyptic number.

1210131006 is an abundant number, since it is smaller than the sum of its proper divisors (1590903234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1210131006 is a wasteful number, since it uses less digits than its factorization.

1210131006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364808.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1210131006 is about 34786.9372897356. The cubic root of 1210131006 is about 1065.6406927580.

Adding to 1210131006 its reverse (6001310121), we get a palindrome (7211441127).

The spelling of 1210131006 in words is "one billion, two hundred ten million, one hundred thirty-one thousand, six".

Divisors: 1 2 3 6 7 14 21 42 79 158 237 474 553 1106 1659 3318 364717 729434 1094151 2188302 2553019 5106038 7659057 15318114 28812643 57625286 86437929 172875858 201688501 403377002 605065503 1210131006