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103011043 = 234478741
BaseRepresentation
bin1100010001111…
…01001011100011
321011211111120211
412020331023203
5202332323133
614115514551
72360402512
oct610751343
9234744524
10103011043
11531687a3
122a5b8a57
13184591a5
14d976679
15909bbcd
hex623d2e3

103011043 has 4 divisors (see below), whose sum is σ = 107489808. Its totient is φ = 98532280.

The previous prime is 103011031. The next prime is 103011049. The reversal of 103011043 is 340110301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340110301 = 1607211643.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-103011043 is a prime.

It is a super-2 number, since 2×1030110432 = 21222549959895698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103011049) 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, 2239348 + ... + 2239393.

It is an arithmetic number, because the mean of its divisors is an integer number (26872452).

Almost surely, 2103011043 is an apocalyptic number.

103011043 is a deficient number, since it is larger than the sum of its proper divisors (4478765).

103011043 is an equidigital number, since it uses as much as digits as its factorization.

103011043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4478764.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 103011043 is about 10149.4356000716. The cubic root of 103011043 is about 468.7715664626.

Adding to 103011043 its reverse (340110301), we get a palindrome (443121344).

The spelling of 103011043 in words is "one hundred three million, eleven thousand, forty-three".

Divisors: 1 23 4478741 103011043