Base | Representation |
---|---|
bin | 11001011001110110000… |
… | …01110010110100110101 |
3 | 10002110000201102120211201 |
4 | 30230323001302310311 |
5 | 103300113340442112 |
6 | 1504553525132501 |
7 | 120030333265045 |
oct | 14547301626465 |
9 | 3073021376751 |
10 | 872868687157 |
11 | 3071aa6889a5 |
12 | 121201b5a131 |
13 | 6440782033c |
14 | 30365d61725 |
15 | 17a8a6a9257 |
hex | cb3b072d35 |
872868687157 has 8 divisors (see below), whose sum is σ = 873263979360. Its totient is φ = 872473470960.
The previous prime is 872868687149. The next prime is 872868687167. The reversal of 872868687157 is 751786868278.
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 872868687157 - 23 = 872868687149 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 872868687157.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (872868687167) 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, 40544398 + ... + 40565920.
It is an arithmetic number, because the mean of its divisors is an integer number (109157997420).
Almost surely, 2872868687157 is an apocalyptic number.
It is an amenable number.
872868687157 is a deficient number, since it is larger than the sum of its proper divisors (395292203).
872868687157 is a wasteful number, since it uses less digits than its factorization.
872868687157 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38003.
The product of its digits is 505774080, while the sum is 73.
The spelling of 872868687157 in words is "eight hundred seventy-two billion, eight hundred sixty-eight million, six hundred eighty-seven thousand, one hundred fifty-seven".
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