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210202131112130 = 25172212955876141
BaseRepresentation
bin101111110010110101111111…
…010110110010000011000010
31000120021010102221012201011002
4233302311333112302003002
5210022422431031042010
62023021305333452002
762163413523043043
oct5762657726620302
91016233387181132
10210202131112130
1160a82250066663
121b6aa6b84a1002
139039c8c0c8661
1439c9ba1c9c8ca
151947c8e5b71a5
hexbf2d7f5b20c2

210202131112130 has 32 divisors (see below), whose sum is σ = 400638643277040. Its totient is φ = 79131342458880.

The previous prime is 210202131112087. The next prime is 210202131112177. The reversal of 210202131112130 is 31211131202012.

It can be written as a sum of positive squares in 8 ways, for example, as 101578440003769 + 108623691108361 = 10078613^2 + 10422269^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24176141 + ... + 31700000.

Almost surely, 2210202131112130 is an apocalyptic number.

210202131112130 is a deficient number, since it is larger than the sum of its proper divisors (190436512164910).

210202131112130 is a wasteful number, since it uses less digits than its factorization.

210202131112130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55898294.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 210202131112130 its reverse (31211131202012), we get a palindrome (241413262314142).

The spelling of 210202131112130 in words is "two hundred ten trillion, two hundred two billion, one hundred thirty-one million, one hundred twelve thousand, one hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 22129 44258 110645 221290 376193 752386 1880965 3761930 55876141 111752282 279380705 558761410 949894397 1899788794 4749471985 9498943970 1236483124189 2472966248378 6182415620945 12364831241890 21020213111213 42040426222426 105101065556065 210202131112130