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7138612743217 = 792571811194149
BaseRepresentation
bin110011111100001011001…
…1110100000110000110001
3221021110000012021220120121
41213320112132200300301
51413424334330240332
623103233341410241
71334514323100124
oct147702636406061
927243005256517
107138612743217
11230251787697a
12973616b69981
133ca225981207
141a972150c3bb
15c5a59746797
hex67e167a0c31

7138612743217 has 16 divisors (see below), whose sum is σ = 7261147872000. Its totient is φ = 7016912547840.

The previous prime is 7138612743149. The next prime is 7138612743221. The reversal of 7138612743217 is 7123472168317.

7138612743217 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-7138612743217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7138612743247) 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, 36671659 + ... + 36865807.

It is an arithmetic number, because the mean of its divisors is an integer number (453821742000).

Almost surely, 27138612743217 is an apocalyptic number.

It is an amenable number.

7138612743217 is a deficient number, since it is larger than the sum of its proper divisors (122535128783).

7138612743217 is a wasteful number, since it uses less digits than its factorization.

7138612743217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196296.

The product of its digits is 2370816, while the sum is 52.

The spelling of 7138612743217 in words is "seven trillion, one hundred thirty-eight billion, six hundred twelve million, seven hundred forty-three thousand, two hundred seventeen".

Divisors: 1 79 257 1811 20303 143069 194149 465427 15337771 36768733 49896293 351603839 3941807147 27776703281 90362186623 7138612743217