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102431144203 = 170476008749
BaseRepresentation
bin101111101100101011…
…1110011100100001011
3100210101121021021010121
41133121113303210023
53134234333103303
6115020050524111
710254224234323
oct1373127634413
9323347237117
10102431144203
113a49378a793
1217a27b96637
1398753b10cb
144d59caa283
1529e78b39bd
hex17d95f390b

102431144203 has 4 divisors (see below), whose sum is σ = 102437170000. Its totient is φ = 102425118408.

The previous prime is 102431144173. The next prime is 102431144213. The reversal of 102431144203 is 302441134201.

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 102431144203 - 25 = 102431144171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102431144213) 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, 2987328 + ... + 3021421.

It is an arithmetic number, because the mean of its divisors is an integer number (25609292500).

Almost surely, 2102431144203 is an apocalyptic number.

102431144203 is a deficient number, since it is larger than the sum of its proper divisors (6025797).

102431144203 is an equidigital number, since it uses as much as digits as its factorization.

102431144203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6025796.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 102431144203 its reverse (302441134201), we get a palindrome (404872278404).

The spelling of 102431144203 in words is "one hundred two billion, four hundred thirty-one million, one hundred forty-four thousand, two hundred three".

Divisors: 1 17047 6008749 102431144203