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13420240203 = 38353896547
BaseRepresentation
bin11000111111110100…
…01001110101001011
31021122021112211122110
430133322021311023
5204441040141303
610055402153403
7653365105506
oct143772116513
937567484573
1013420240203
115767415107
1227264b2863
13135b47bb46
149144bc13d
155382b2703
hex31fe89d4b

13420240203 has 8 divisors (see below), whose sum is σ = 18109240128. Its totient is φ = 8839033544.

The previous prime is 13420240193. The next prime is 13420240243. The reversal of 13420240203 is 30204202431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13420240203 - 28 = 13420239947 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13420240203.

It is not an unprimeable number, because it can be changed into a prime (13420240243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26948025 + ... + 26948522.

It is an arithmetic number, because the mean of its divisors is an integer number (2263655016).

Almost surely, 213420240203 is an apocalyptic number.

13420240203 is a deficient number, since it is larger than the sum of its proper divisors (4688999925).

13420240203 is an equidigital number, since it uses as much as digits as its factorization.

13420240203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53896633.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 13420240203 its reverse (30204202431), we get a palindrome (43624442634).

The spelling of 13420240203 in words is "thirteen billion, four hundred twenty million, two hundred forty thousand, two hundred three".

Divisors: 1 3 83 249 53896547 161689641 4473413401 13420240203