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105010243 = 138077711
BaseRepresentation
bin1100100001001…
…01010001000011
321022121001222021
412100211101003
5203340311433
614230422311
72413400212
oct620452103
9238531867
10105010243
1154303828
122b201997
13189a9150
14dd37079
15934422d
hex6425443

105010243 has 4 divisors (see below), whose sum is σ = 113087968. Its totient is φ = 96932520.

The previous prime is 105010231. The next prime is 105010289. The reversal of 105010243 is 342010501.

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

It is a cyclic number.

It is not a de Polignac number, because 105010243 - 221 = 102913091 is a prime.

It is a super-2 number, since 2×1050102432 = 22054302269838098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105010223) 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, 4038843 + ... + 4038868.

It is an arithmetic number, because the mean of its divisors is an integer number (28271992).

Almost surely, 2105010243 is an apocalyptic number.

105010243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

105010243 is a deficient number, since it is larger than the sum of its proper divisors (8077725).

105010243 is an equidigital number, since it uses as much as digits as its factorization.

105010243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8077724.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 105010243 is about 10247.4505609932. The cubic root of 105010243 is about 471.7847382755.

Adding to 105010243 its reverse (342010501), we get a palindrome (447020744).

The spelling of 105010243 in words is "one hundred five million, ten thousand, two hundred forty-three".

Divisors: 1 13 8077711 105010243