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20130310131122 = 2172353972515189
BaseRepresentation
bin1001001001110111100111…
…11111000000110110110010
32122021102211220222001012102
410210323303333000312302
510114303333343143442
6110451423052300402
74145236564612412
oct444736377006662
978242756861172
1020130310131122
116461242300284
122311480171702
13b303844c27b9
144d84529b6642
1524d98005a232
hex124ef3fc0db2

20130310131122 has 16 divisors (see below), whose sum is σ = 31971817563480. Its totient is φ = 9473043111168.

The previous prime is 20130310131103. The next prime is 20130310131131. The reversal of 20130310131122 is 22113101303102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 19960781127001 + 169529004121 = 4467749^2 + 411739^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20130310131094 and 20130310131103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6745904 + ... + 9261092.

Almost surely, 220130310131122 is an apocalyptic number.

20130310131122 is a deficient number, since it is larger than the sum of its proper divisors (11841507432358).

20130310131122 is a wasteful number, since it uses less digits than its factorization.

20130310131122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2750605.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 20130310131122 its reverse (22113101303102), we get a palindrome (42243411434224).

The spelling of 20130310131122 in words is "twenty trillion, one hundred thirty billion, three hundred ten million, one hundred thirty-one thousand, one hundred twenty-two".

Divisors: 1 2 17 34 235397 470794 2515189 4001749 5030378 8003498 42758213 85516426 592067945033 1184135890066 10065155065561 20130310131122