Base | Representation |
---|---|
bin | 1000011100111011111… |
… | …1000100100110011011 |
3 | 111212210200202120222102 |
4 | 2013032333010212123 |
5 | 4334340334424204 |
6 | 150412412314015 |
7 | 13330232255651 |
oct | 2071677044633 |
9 | 455720676872 |
10 | 145206561179 |
11 | 56644355669 |
12 | 2418547290b |
13 | 10901464424 |
14 | 7056cdcdd1 |
15 | 3b9cd7b41e |
hex | 21cefc499b |
145206561179 has 2 divisors, whose sum is σ = 145206561180. Its totient is φ = 145206561178.
The previous prime is 145206561139. The next prime is 145206561193. The reversal of 145206561179 is 971165602541.
It is a strong prime.
It is an emirp because it is prime and its reverse (971165602541) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-145206561179 is a prime.
It is not a weakly prime, because it can be changed into another prime (145206561119) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72603280589 + 72603280590.
It is an arithmetic number, because the mean of its divisors is an integer number (72603280590).
Almost surely, 2145206561179 is an apocalyptic number.
145206561179 is a deficient number, since it is larger than the sum of its proper divisors (1).
145206561179 is an equidigital number, since it uses as much as digits as its factorization.
145206561179 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 453600, while the sum is 47.
The spelling of 145206561179 in words is "one hundred forty-five billion, two hundred six million, five hundred sixty-one thousand, one hundred seventy-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •