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10131211442 = 2112322987433
BaseRepresentation
bin10010110111101111…
…00000010010110010
3222011001122212101102
421123313200102302
5131222042231232
64353151004402
7506026606412
oct113367402262
928131585342
1010131211442
114329894120
121b68b09702
13c55c3b491
146c175a642
153e467a662
hex25bde04b2

10131211442 has 32 divisors (see below), whose sum is σ = 17374884480. Its totient is φ = 4385589120.

The previous prime is 10131211313. The next prime is 10131211529. The reversal of 10131211442 is 24411213101.

10131211442 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 15 ways as a sum of consecutive naturals, for example, 72158 + ... + 159590.

It is an arithmetic number, because the mean of its divisors is an integer number (542965140).

Almost surely, 210131211442 is an apocalyptic number.

10131211442 is a deficient number, since it is larger than the sum of its proper divisors (7243673038).

10131211442 is a wasteful number, since it uses less digits than its factorization.

10131211442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87698.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 10131211442 its reverse (24411213101), we get a palindrome (34542424543).

The spelling of 10131211442 in words is "ten billion, one hundred thirty-one million, two hundred eleven thousand, four hundred forty-two".

Divisors: 1 2 11 22 23 46 229 253 458 506 2519 5038 5267 10534 57937 87433 115874 174866 961763 1923526 2010959 4021918 20022157 22120549 40044314 44241098 220243727 440487454 460509611 921019222 5065605721 10131211442