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10131221002 = 271938087297
BaseRepresentation
bin10010110111101111…
…00010101000001010
3222011001200100111111
421123313202220022
5131222043033002
64353151120534
7506026646320
oct113367425012
928131610444
1010131221002
1143298a0321
121b68b1314a
13c55c42936
146c175dd10
153e467d3d7
hex25bde2a0a

10131221002 has 16 divisors (see below), whose sum is σ = 18281903040. Its totient is φ = 4113427968.

The previous prime is 10131220993. The next prime is 10131221041. The reversal of 10131221002 is 20012213101.

10131221002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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, 19043383 + ... + 19043914.

It is an arithmetic number, because the mean of its divisors is an integer number (1142618940).

Almost surely, 210131221002 is an apocalyptic number.

10131221002 is a deficient number, since it is larger than the sum of its proper divisors (8150682038).

10131221002 is a wasteful number, since it uses less digits than its factorization.

10131221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38087325.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 10131221002 its reverse (20012213101), we get a palindrome (30143434103).

The spelling of 10131221002 in words is "ten billion, one hundred thirty-one million, two hundred twenty-one thousand, two".

Divisors: 1 2 7 14 19 38 133 266 38087297 76174594 266611079 533222158 723658643 1447317286 5065610501 10131221002