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103171367209 = 3212032
BaseRepresentation
bin110000000010101111…
…1100010000100101001
3100212022012010111012111
41200011133202010221
53142243332222314
6115221332242321
710311453103021
oct1400537420451
9325265114174
10103171367209
113a833602239
1217bb3a703a1
1399628646a1
144dca314a81
152a3c87dec4
hex18057e2129

103171367209 has 3 divisors (see below), whose sum is σ = 103171688413. Its totient is φ = 103171046006.

The previous prime is 103171367197. The next prime is 103171367213. The reversal of 103171367209 is 902763171301.

The square root of 103171367209 is 321203.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 902763171301 = 3931322963477.

It is not a de Polignac number, because 103171367209 - 27 = 103171367081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103171397209) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 160602 + ... + 481804.

Almost surely, 2103171367209 is an apocalyptic number.

103171367209 is the 321203-rd square number.

103171367209 is the 160602-nd centered octagonal number.

It is an amenable number.

103171367209 is a deficient number, since it is larger than the sum of its proper divisors (321204).

103171367209 is an frugal number, since it uses more digits than its factorization.

103171367209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642406 (or 321203 counting only the distinct ones).

The product of its (nonzero) digits is 47628, while the sum is 40.

The spelling of 103171367209 in words is "one hundred three billion, one hundred seventy-one million, three hundred sixty-seven thousand, two hundred nine".

Divisors: 1 321203 103171367209