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8197913203 = 313896131109
BaseRepresentation
bin1111010001010001…
…00011101001110011
3210011022211010202221
413220220203221303
5113242131210303
63433245421511
7410103053404
oct75050435163
923138733687
108197913203
113527565587
12170956a897
13a0854961c
1457aaa59ab
1532ea914bd
hex1e8a23a73

8197913203 has 16 divisors (see below), whose sum is σ = 8505619200. Its totient is φ = 7893037440.

The previous prime is 8197913201. The next prime is 8197913209. The reversal of 8197913203 is 3023197918.

It is a cyclic number.

It is not a de Polignac number, because 8197913203 - 21 = 8197913201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8197913203.

It is not an unprimeable number, because it can be changed into a prime (8197913201) 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 15 ways as a sum of consecutive naturals, for example, 7391613 + ... + 7392721.

It is an arithmetic number, because the mean of its divisors is an integer number (531601200).

Almost surely, 28197913203 is an apocalyptic number.

8197913203 is a deficient number, since it is larger than the sum of its proper divisors (307705997).

8197913203 is a wasteful number, since it uses less digits than its factorization.

8197913203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2142.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 8197913203 is about 90542.3282393379. The cubic root of 8197913203 is about 2016.3586002142.

The spelling of 8197913203 in words is "eight billion, one hundred ninety-seven million, nine hundred thirteen thousand, two hundred three".

Divisors: 1 31 389 613 1109 12059 19003 34379 238457 431401 679817 7392167 13373431 21074327 264448813 8197913203