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203224342013 = 7112678398543
BaseRepresentation
bin1011110101000100011…
…1010101110111111101
3201102120001110020012222
42331101013111313331
511312200412421023
6233205430535125
720453042256020
oct2752107256775
9642501406188
10203224342013
1179206930070
12334775074a5
1316219331564
149b9c4051b7
15544657ecc8
hex2f511d5dfd

203224342013 has 16 divisors (see below), whose sum is σ = 253382639616. Its totient is φ = 158349110640.

The previous prime is 203224341979. The next prime is 203224342021. The reversal of 203224342013 is 310243422302.

It is not a de Polignac number, because 203224342013 - 26 = 203224341949 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 (203224342063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2013020 + ... + 2111562.

It is an arithmetic number, because the mean of its divisors is an integer number (15836414976).

Almost surely, 2203224342013 is an apocalyptic number.

It is an amenable number.

203224342013 is a deficient number, since it is larger than the sum of its proper divisors (50158297603).

203224342013 is a wasteful number, since it uses less digits than its factorization.

203224342013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125344.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 203224342013 its reverse (310243422302), we get a palindrome (513467764315).

The spelling of 203224342013 in words is "two hundred three billion, two hundred twenty-four million, three hundred forty-two thousand, thirteen".

Divisors: 1 7 11 77 26783 98543 187481 294613 689801 1083973 2062291 7587811 2639277169 18474940183 29032048859 203224342013