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1231330102132 = 221323679425041
BaseRepresentation
bin10001111010110000111…
…111100100101101110100
311100201021111211012110111
4101322300333210231310
5130133231001232012
62341355405232404
7154650336114454
oct21726077445564
94321244735414
101231330102132
11435227818589
1217a781b62704
138c1633c7390
144384d48bd64
152206a49dba7
hex11eb0fe4b74

1231330102132 has 12 divisors (see below), whose sum is σ = 2320583654116. Its totient is φ = 568306200960.

The previous prime is 1231330102111. The next prime is 1231330102141. The reversal of 1231330102132 is 2312010331321.

It can be written as a sum of positive squares in 2 ways, for example, as 718825882896 + 512504219236 = 847836^2 + 715894^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11839712469 + ... + 11839712572.

Almost surely, 21231330102132 is an apocalyptic number.

It is an amenable number.

1231330102132 is a deficient number, since it is larger than the sum of its proper divisors (1089253551984).

1231330102132 is a wasteful number, since it uses less digits than its factorization.

1231330102132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23679425058 (or 23679425056 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1231330102132 its reverse (2312010331321), we get a palindrome (3543340433453).

The spelling of 1231330102132 in words is "one trillion, two hundred thirty-one billion, three hundred thirty million, one hundred two thousand, one hundred thirty-two".

Divisors: 1 2 4 13 26 52 23679425041 47358850082 94717700164 307832525533 615665051066 1231330102132