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10120103123 = 13259882267
BaseRepresentation
bin10010110110011010…
…01000010011010011
3222010021202111122012
421123031020103103
5131211221244443
64352112533135
7505533312554
oct113315102323
928107674565
1010120103123
114323597299
121b652511ab
13c5384c300
146c00a832b
153e36d4118
hex25b3484d3

10120103123 has 6 divisors (see below), whose sum is σ = 10958455044. Its totient is φ = 9341633496.

The previous prime is 10120103051. The next prime is 10120103129. The reversal of 10120103123 is 32130102101.

It is not a de Polignac number, because 10120103123 - 210 = 10120102099 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10120103098 and 10120103107.

It is not an unprimeable number, because it can be changed into a prime (10120103129) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29940965 + ... + 29941302.

It is an arithmetic number, because the mean of its divisors is an integer number (1826409174).

Almost surely, 210120103123 is an apocalyptic number.

10120103123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

10120103123 is a deficient number, since it is larger than the sum of its proper divisors (838351921).

10120103123 is an equidigital number, since it uses as much as digits as its factorization.

10120103123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59882293 (or 59882280 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 10120103123 its reverse (32130102101), we get a palindrome (42250205224).

The spelling of 10120103123 in words is "ten billion, one hundred twenty million, one hundred three thousand, one hundred twenty-three".

Divisors: 1 13 169 59882267 778469471 10120103123