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103204334021 = 478921550289
BaseRepresentation
bin110000000011101110…
…1010010100111000101
3100212101111011101011112
41200013131102213011
53142330302142041
6115224511014405
710312333236125
oct1400735224705
9325344141145
10103204334021
113a850179738
1218002b0a405
139969637b89
144dd0856c85
152a406e1deb
hex18077529c5

103204334021 has 4 divisors (see below), whose sum is σ = 103225889100. Its totient is φ = 103182778944.

The previous prime is 103204334017. The next prime is 103204334027. The reversal of 103204334021 is 120433402301.

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

It can be written as a sum of positive squares in 2 ways, for example, as 43164633121 + 60039700900 = 207761^2 + 245030^2 .

It is a cyclic number.

It is not a de Polignac number, because 103204334021 - 22 = 103204334017 is a prime.

It is a super-2 number, since 2×1032043340212 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103204334027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10770356 + ... + 10779933.

It is an arithmetic number, because the mean of its divisors is an integer number (25806472275).

Almost surely, 2103204334021 is an apocalyptic number.

It is an amenable number.

103204334021 is a deficient number, since it is larger than the sum of its proper divisors (21555079).

103204334021 is an equidigital number, since it uses as much as digits as its factorization.

103204334021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21555078.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 103204334021 its reverse (120433402301), we get a palindrome (223637736322).

The spelling of 103204334021 in words is "one hundred three billion, two hundred four million, three hundred thirty-four thousand, twenty-one".

Divisors: 1 4789 21550289 103204334021