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13140103 = 29453107
BaseRepresentation
bin110010001000…
…000010000111
3220201120211111
4302020002013
511330440403
61145345451
7216455224
oct62100207
926646744
1013140103
117465399
124498287
132950c12
141a6094b
15124856d
hexc88087

13140103 has 4 divisors (see below), whose sum is σ = 13593240. Its totient is φ = 12686968.

The previous prime is 13140089. The next prime is 13140109. The reversal of 13140103 is 30104131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13140103 - 29 = 13139591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13140109) 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, 226525 + ... + 226582.

It is an arithmetic number, because the mean of its divisors is an integer number (3398310).

Almost surely, 213140103 is an apocalyptic number.

13140103 is a deficient number, since it is larger than the sum of its proper divisors (453137).

13140103 is an equidigital number, since it uses as much as digits as its factorization.

13140103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453136.

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

The square root of 13140103 is about 3624.9279992850. The cubic root of 13140103 is about 235.9751422157.

Adding to 13140103 its reverse (30104131), we get a palindrome (43244234).

The spelling of 13140103 in words is "thirteen million, one hundred forty thousand, one hundred three".

Divisors: 1 29 453107 13140103