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10131111124 = 222532777781
BaseRepresentation
bin10010110111101110…
…00111110011010100
3222011001110202202221
421123313013303110
5131222031023444
64353144512124
7506026011061
oct113367076324
928131422687
1010131111124
114329825812
121b68a7b644
13c55c04914
146c1731c68
153e465aa84
hex25bdc7cd4

10131111124 has 6 divisors (see below), whose sum is σ = 17729444474. Its totient is φ = 5065555560.

The previous prime is 10131111119. The next prime is 10131111167. The reversal of 10131111124 is 42111113101.

It can be written as a sum of positive squares in only one way, i.e., 9114139024 + 1016972100 = 95468^2 + 31890^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10131111098 and 10131111107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1266388887 + ... + 1266388894.

Almost surely, 210131111124 is an apocalyptic number.

It is an amenable number.

10131111124 is a deficient number, since it is larger than the sum of its proper divisors (7598333350).

10131111124 is a wasteful number, since it uses less digits than its factorization.

10131111124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2532777785 (or 2532777783 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 10131111124 its reverse (42111113101), we get a palindrome (52242224225).

The spelling of 10131111124 in words is "ten billion, one hundred thirty-one million, one hundred eleven thousand, one hundred twenty-four".

Divisors: 1 2 4 2532777781 5065555562 10131111124