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10131223112 = 231936561673
BaseRepresentation
bin10010110111101111…
…00011001001001000
3222011001200110101122
421123313203021020
5131222043114422
64353151134412
7506026655423
oct113367431110
928131613348
1010131223112
1143298a196a
121b68b14408
13c55c4389a
146c17609ba
153e467dd42
hex25bde3248

10131223112 has 16 divisors (see below), whose sum is σ = 19094471340. Its totient is φ = 5039364096.

The previous prime is 10131223087. The next prime is 10131223127. The reversal of 10131223112 is 21132213101.

10131223112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9503520196 + 627702916 = 97486^2 + 25054^2 .

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 3 ways as a sum of consecutive naturals, for example, 3279293 + ... + 3282380.

Almost surely, 210131223112 is an apocalyptic number.

It is an amenable number.

10131223112 is a deficient number, since it is larger than the sum of its proper divisors (8963248228).

10131223112 is a wasteful number, since it uses less digits than its factorization.

10131223112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6561872 (or 6561868 counting only the distinct ones).

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

Adding to 10131223112 its reverse (21132213101), we get a palindrome (31263436213).

The spelling of 10131223112 in words is "ten billion, one hundred thirty-one million, two hundred twenty-three thousand, one hundred twelve".

Divisors: 1 2 4 8 193 386 772 1544 6561673 13123346 26246692 52493384 1266402889 2532805778 5065611556 10131223112