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10103320123 = 13777178471
BaseRepresentation
bin10010110100011010…
…00110111000111011
3222002010011211200121
421122031012320323
5131142422220443
64350313114111
7505240542541
oct113215067073
928063154617
1010103320123
114315073a46
121b5b6b8937
13c50224240
146bbb79d91
153e1ebb4ed
hex25a346e3b

10103320123 has 4 divisors (see below), whose sum is σ = 10880498608. Its totient is φ = 9326141640.

The previous prime is 10103320061. The next prime is 10103320151. The reversal of 10103320123 is 32102330101.

10103320123 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32102330101 = 41782983661.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10103320123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10103320097 and 10103320106.

It is not an unprimeable number, because it can be changed into a prime (10103320723) 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, 388589223 + ... + 388589248.

It is an arithmetic number, because the mean of its divisors is an integer number (2720124652).

Almost surely, 210103320123 is an apocalyptic number.

10103320123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

10103320123 is a deficient number, since it is larger than the sum of its proper divisors (777178485).

10103320123 is an equidigital number, since it uses as much as digits as its factorization.

10103320123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777178484.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 10103320123 its reverse (32102330101), we get a palindrome (42205650224).

The spelling of 10103320123 in words is "ten billion, one hundred three million, three hundred twenty thousand, one hundred twenty-three".

Divisors: 1 13 777178471 10103320123