Base | Representation |
---|---|
bin | 1111110110110110000… |
… | …0100001001110010111 |
3 | 222001011102122001102011 |
4 | 3331231200201032113 |
5 | 13430404031242022 |
6 | 325051553525051 |
7 | 25452553221421 |
oct | 3755540411627 |
9 | 861142561364 |
10 | 272420180887 |
11 | a55950a9a68 |
12 | 44968b73787 |
13 | 1c8c5c9a00a |
14 | d2842cb811 |
15 | 7146295977 |
hex | 3f6d821397 |
272420180887 has 8 divisors (see below), whose sum is σ = 273019507200. Its totient is φ = 271821479544.
The previous prime is 272420180873. The next prime is 272420180897. The reversal of 272420180887 is 788081024272.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 272420180887 - 219 = 272419656599 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 272420180887.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (272420180897) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 721914 + ... + 1032472.
It is an arithmetic number, because the mean of its divisors is an integer number (34127438400).
Almost surely, 2272420180887 is an apocalyptic number.
272420180887 is a deficient number, since it is larger than the sum of its proper divisors (599326313).
272420180887 is a wasteful number, since it uses less digits than its factorization.
272420180887 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 312485.
The product of its (nonzero) digits is 802816, while the sum is 49.
The spelling of 272420180887 in words is "two hundred seventy-two billion, four hundred twenty million, one hundred eighty thousand, eight hundred eighty-seven".
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