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105500250355 = 521100050071
BaseRepresentation
bin110001001000001001…
…1100001000011110011
3101002022111100000021211
41202100103201003303
53212031031002410
6120244404300551
710423252221553
oct1422023410363
9332274300254
10105500250355
1140819160655
12185439a1757
139c441b0356
14516b741163
152b2705868a
hex18904e10f3

105500250355 has 4 divisors (see below), whose sum is σ = 126600300432. Its totient is φ = 84400200280.

The previous prime is 105500250347. The next prime is 105500250397. The reversal of 105500250355 is 553052005501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 553052005501 = 1935772857013.

It is not a de Polignac number, because 105500250355 - 23 = 105500250347 is a prime.

It is a super-2 number, since 2×1055002503552 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10550025031 + ... + 10550025040.

It is an arithmetic number, because the mean of its divisors is an integer number (31650075108).

Almost surely, 2105500250355 is an apocalyptic number.

105500250355 is a deficient number, since it is larger than the sum of its proper divisors (21100050077).

105500250355 is an equidigital number, since it uses as much as digits as its factorization.

105500250355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21100050076.

The product of its (nonzero) digits is 18750, while the sum is 31.

Adding to 105500250355 its reverse (553052005501), we get a palindrome (658552255856).

The spelling of 105500250355 in words is "one hundred five billion, five hundred million, two hundred fifty thousand, three hundred fifty-five".

Divisors: 1 5 21100050071 105500250355