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2112402313105 = 5771850061293
BaseRepresentation
bin11110101111010100111…
…111010100111110010001
321110221110221121222101121
4132233110333110332101
5234102144443004410
64254231344402241
7305421204254560
oct36572477247621
97427427558347
102112402313105
11744957043327
122a1493316381
13124277679a06
1474352b35bd7
1539e35e569da
hex1ebd4fd4f91

2112402313105 has 16 divisors (see below), whose sum is σ = 2937811832064. Its totient is φ = 1428102970560.

The previous prime is 2112402312997. The next prime is 2112402313121. The reversal of 2112402313105 is 5013132042112.

It is not a de Polignac number, because 2112402313105 - 215 = 2112402280337 is a prime.

It is a super-2 number, since 2×21124023131052 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2112402313105.

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, 425028162 + ... + 425033131.

It is an arithmetic number, because the mean of its divisors is an integer number (183613239504).

Almost surely, 22112402313105 is an apocalyptic number.

It is an amenable number.

2112402313105 is a deficient number, since it is larger than the sum of its proper divisors (825409518959).

2112402313105 is an equidigital number, since it uses as much as digits as its factorization.

2112402313105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850061376.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 2112402313105 its reverse (5013132042112), we get a palindrome (7125534355217).

The spelling of 2112402313105 in words is "two trillion, one hundred twelve billion, four hundred two million, three hundred thirteen thousand, one hundred five".

Divisors: 1 5 7 35 71 355 497 2485 850061293 4250306465 5950429051 29752145255 60354351803 301771759015 422480462621 2112402313105