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103123113211 = 176066065483
BaseRepresentation
bin110000000001010011…
…1011101010011111011
3100212011211022221011101
41200002213131103323
53142144004110321
6115212450112231
710310325666556
oct1400247352373
9325154287141
10103123113211
113a8093442a8
1217b9b87b677
13995586ac21
144dc3b5369d
152a384eb791
hex18029dd4fb

103123113211 has 4 divisors (see below), whose sum is σ = 109189178712. Its totient is φ = 97057047712.

The previous prime is 103123113173. The next prime is 103123113229. The reversal of 103123113211 is 112311321301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112311321301 = 199564378499.

It is a cyclic number.

It is not a de Polignac number, because 103123113211 - 215 = 103123080443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103123113011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3033032725 + ... + 3033032758.

It is an arithmetic number, because the mean of its divisors is an integer number (27297294678).

Almost surely, 2103123113211 is an apocalyptic number.

103123113211 is a deficient number, since it is larger than the sum of its proper divisors (6066065501).

103123113211 is an equidigital number, since it uses as much as digits as its factorization.

103123113211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6066065500.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 103123113211 its reverse (112311321301), we get a palindrome (215434434512).

The spelling of 103123113211 in words is "one hundred three billion, one hundred twenty-three million, one hundred thirteen thousand, two hundred eleven".

Divisors: 1 17 6066065483 103123113211