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10131112234 = 25065556117
BaseRepresentation
bin10010110111101110…
…01000000100101010
3222011001110211022001
421123313020010222
5131222031042414
64353144521214
7506026014235
oct113367100452
928131424261
1010131112234
114329826631
121b68a8020a
13c55c05289
146c173241c
153e465b074
hex25bdc812a

10131112234 has 4 divisors (see below), whose sum is σ = 15196668354. Its totient is φ = 5065556116.

The previous prime is 10131112231. The next prime is 10131112261. The reversal of 10131112234 is 43221113101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43221113101 = 59732561239.

It can be written as a sum of positive squares in only one way, i.e., 10063099225 + 68013009 = 100315^2 + 8247^2 .

It is not an unprimeable number, because it can be changed into a prime (10131112231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2532778057 + ... + 2532778060.

Almost surely, 210131112234 is an apocalyptic number.

10131112234 is a deficient number, since it is larger than the sum of its proper divisors (5065556120).

10131112234 is an equidigital number, since it uses as much as digits as its factorization.

10131112234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5065556119.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 10131112234 its reverse (43221113101), we get a palindrome (53352225335).

The spelling of 10131112234 in words is "ten billion, one hundred thirty-one million, one hundred twelve thousand, two hundred thirty-four".

Divisors: 1 2 5065556117 10131112234