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105229843489 = 113931237553
BaseRepresentation
bin110001000000000101…
…1111111110000100001
3101001121122111220210201
41202000023333300201
53211002314442424
6120201504425201
710413456624421
oct1420013776041
9331548456721
10105229843489
114069a559a01
1218489318201
139c001742a4
145143872481
152b0d442d44
hex18802ffc21

105229843489 has 4 divisors (see below), whose sum is σ = 106161081156. Its totient is φ = 104298605824.

The previous prime is 105229843487. The next prime is 105229843517. The reversal of 105229843489 is 984348922501.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1008697600 + 104221145889 = 31760^2 + 322833^2 .

It is a cyclic number.

It is not a de Polignac number, because 105229843489 - 21 = 105229843487 is a prime.

It is a super-2 number, since 2×1052298434892 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105229843487) 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, 465618664 + ... + 465618889.

It is an arithmetic number, because the mean of its divisors is an integer number (26540270289).

Almost surely, 2105229843489 is an apocalyptic number.

It is an amenable number.

105229843489 is a deficient number, since it is larger than the sum of its proper divisors (931237667).

105229843489 is an equidigital number, since it uses as much as digits as its factorization.

105229843489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931237666.

The product of its (nonzero) digits is 4976640, while the sum is 55.

The spelling of 105229843489 in words is "one hundred five billion, two hundred twenty-nine million, eight hundred forty-three thousand, four hundred eighty-nine".

Divisors: 1 113 931237553 105229843489