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10113005123 = 13265391639
BaseRepresentation
bin10010110101100100…
…00011011001000011
3222002210101220000022
421122302003121003
5131202412130443
64351300444055
7505416060644
oct113262033103
928083356008
1010113005123
11431a589481
121b629a962b
13c52235600
146bd17b6cb
153e2c80e68
hex25ac83643

10113005123 has 12 divisors (see below), whose sum is σ = 10967658480. Its totient is φ = 9320684256.

The previous prime is 10113005093. The next prime is 10113005137. The reversal of 10113005123 is 32150031101.

It is not a de Polignac number, because 10113005123 - 212 = 10113001027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10113005143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64538 + ... + 156176.

It is an arithmetic number, because the mean of its divisors is an integer number (913971540).

Almost surely, 210113005123 is an apocalyptic number.

10113005123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

10113005123 is a deficient number, since it is larger than the sum of its proper divisors (854653357).

10113005123 is an equidigital number, since it uses as much as digits as its factorization.

10113005123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92318 (or 92305 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 17.

Adding to 10113005123 its reverse (32150031101), we get a palindrome (42263036224).

The spelling of 10113005123 in words is "ten billion, one hundred thirteen million, five thousand, one hundred twenty-three".

Divisors: 1 13 169 653 8489 91639 110357 1191307 15486991 59840267 777923471 10113005123