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10131113042 = 217378053349
BaseRepresentation
bin10010110111101110…
…01000010001010010
3222011001110212101222
421123313020101102
5131222031104132
64353144525042
7506026016501
oct113367102122
928131425358
1010131113042
1143298271a6
121b68a80782
13c55c0575b
146c1732838
153e465b412
hex25bdc8452

10131113042 has 16 divisors (see below), whose sum is σ = 16525474200. Its totient is φ = 4638728448.

The previous prime is 10131113039. The next prime is 10131113087. The reversal of 10131113042 is 24031113101.

It can be written as a sum of positive squares in 4 ways, for example, as 9476827801 + 654285241 = 97349^2 + 25579^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 10131113042.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4025417 + ... + 4027932.

Almost surely, 210131113042 is an apocalyptic number.

10131113042 is a deficient number, since it is larger than the sum of its proper divisors (6394361158).

10131113042 is a wasteful number, since it uses less digits than its factorization.

10131113042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8053405.

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

Adding to 10131113042 its reverse (24031113101), we get a palindrome (34162226143).

The spelling of 10131113042 in words is "ten billion, one hundred thirty-one million, one hundred thirteen thousand, forty-two".

Divisors: 1 2 17 34 37 74 629 1258 8053349 16106698 136906933 273813866 297973913 595947826 5065556521 10131113042