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105523230355 = 521104646071
BaseRepresentation
bin110001001000110101…
…1001011011010010011
3101002101002120111220221
41202101223023122103
53212102421332410
6120250545013511
710423651441624
oct1422153133223
9332332514827
10105523230355
1140830126894
121854b624297
139c48b97c9a
145170803a4b
152b290974da
hex1891acb693

105523230355 has 4 divisors (see below), whose sum is σ = 126627876432. Its totient is φ = 84418584280.

The previous prime is 105523230353. The next prime is 105523230383. The reversal of 105523230355 is 553032325501.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 105523230355 - 21 = 105523230353 is a prime.

It is a super-2 number, since 2×1055232303552 (a number of 23 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 105523230355.

It is not an unprimeable number, because it can be changed into a prime (105523230353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10552323031 + ... + 10552323040.

It is an arithmetic number, because the mean of its divisors is an integer number (31656969108).

Almost surely, 2105523230355 is an apocalyptic number.

105523230355 is a deficient number, since it is larger than the sum of its proper divisors (21104646077).

105523230355 is an equidigital number, since it uses as much as digits as its factorization.

105523230355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21104646076.

The product of its (nonzero) digits is 67500, while the sum is 34.

Adding to 105523230355 its reverse (553032325501), we get a palindrome (658555555856).

The spelling of 105523230355 in words is "one hundred five billion, five hundred twenty-three million, two hundred thirty thousand, three hundred fifty-five".

Divisors: 1 5 21104646071 105523230355