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113203101013 = 398928378817
BaseRepresentation
bin110100101101101101…
…1100011110101010101
3101211012022121100220221
41221123123203311111
53323314443213023
6124001011154341
711115164324242
oct1513333436525
9354168540827
10113203101013
1144011221332
1219b335a59b1
13a8a0cb3052
14569c7785c9
152e2840985d
hex1a5b6e3d55

113203101013 has 4 divisors (see below), whose sum is σ = 113231483820. Its totient is φ = 113174718208.

The previous prime is 113203101007. The next prime is 113203101019. The reversal of 113203101013 is 310101302311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 310101302311 = 2432912746159.

It is an interprime number because it is at equal distance from previous prime (113203101007) and next prime (113203101019).

It can be written as a sum of positive squares in 2 ways, for example, as 59313192849 + 53889908164 = 243543^2 + 232142^2 .

It is a cyclic number.

It is not a de Polignac number, because 113203101013 - 25 = 113203100981 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 (113203101019) 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, 14185420 + ... + 14193397.

It is an arithmetic number, because the mean of its divisors is an integer number (28307870955).

Almost surely, 2113203101013 is an apocalyptic number.

It is an amenable number.

113203101013 is a deficient number, since it is larger than the sum of its proper divisors (28382807).

113203101013 is an equidigital number, since it uses as much as digits as its factorization.

113203101013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28382806.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 113203101013 its reverse (310101302311), we get a palindrome (423304403324).

The spelling of 113203101013 in words is "one hundred thirteen billion, two hundred three million, one hundred one thousand, thirteen".

Divisors: 1 3989 28378817 113203101013