[go: up one dir, main page]

Search a number
-
+
105050123 = 1747131477
BaseRepresentation
bin1100100001011…
…11000000001011
321022200002200022
412100233000023
5203343100443
614231331055
72413624403
oct620570013
9238602608
10105050123
1154330792
122b220a8b
13189c1349
14dd47803
159350e68
hex642f00b

105050123 has 8 divisors (see below), whose sum is σ = 113596992. Its totient is φ = 96766336.

The previous prime is 105050119. The next prime is 105050137. The reversal of 105050123 is 321050501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 105050123 - 22 = 105050119 is a prime.

It is a super-2 number, since 2×1050501232 = 22071056684630258, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (105050623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64940 + ... + 66537.

It is an arithmetic number, because the mean of its divisors is an integer number (14199624).

Almost surely, 2105050123 is an apocalyptic number.

105050123 is a deficient number, since it is larger than the sum of its proper divisors (8546869).

105050123 is a wasteful number, since it uses less digits than its factorization.

105050123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131541.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 105050123 is about 10249.3962261199. The cubic root of 105050123 is about 471.8444543361.

The spelling of 105050123 in words is "one hundred five million, fifty thousand, one hundred twenty-three".

Divisors: 1 17 47 799 131477 2235109 6179419 105050123