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20114252305 = 57347249541
BaseRepresentation
bin10010101110111001…
…110010001000010001
31220220210111212221121
4102232321302020101
5312143222033210
613123530122241
71311310216000
oct225671621021
956823455847
1020114252305
118591a75514
123a94280381
131b8726b654
14d8b546c37
157cacd86da
hex4aee72211

20114252305 has 32 divisors (see below), whose sum is σ = 28747238400. Its totient is φ = 13499115840.

The previous prime is 20114252297. The next prime is 20114252311. The reversal of 20114252305 is 50325241102.

It is not a de Polignac number, because 20114252305 - 23 = 20114252297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20114252305.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44166 + ... + 205375.

It is an arithmetic number, because the mean of its divisors is an integer number (898351200).

Almost surely, 220114252305 is an apocalyptic number.

It is an amenable number.

20114252305 is a deficient number, since it is larger than the sum of its proper divisors (8632986095).

20114252305 is an equidigital number, since it uses as much as digits as its factorization.

20114252305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249614 (or 249600 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 20114252305 its reverse (50325241102), we get a palindrome (70439493407).

The spelling of 20114252305 in words is "twenty billion, one hundred fourteen million, two hundred fifty-two thousand, three hundred five".

Divisors: 1 5 7 35 47 49 235 245 329 343 1645 1715 2303 11515 16121 80605 249541 1247705 1746787 8733935 11728427 12227509 58642135 61137545 82098989 85592563 410494945 427962815 574692923 2873464615 4022850461 20114252305