Base | Representation |
---|---|
bin | 100001110110000010… |
… | …0100011100111101101 |
3 | 20221121012102022221100 |
4 | 1003230010203213231 |
5 | 2142322101003224 |
6 | 53215550353313 |
7 | 5152036415223 |
oct | 1035404434755 |
9 | 227535368840 |
10 | 72680094189 |
11 | 2890702254a |
12 | 121044bb839 |
13 | 6b137817c1 |
14 | 3736946b13 |
15 | 1d55a62ac9 |
hex | 10ec1239ed |
72680094189 has 6 divisors (see below), whose sum is σ = 104982358286. Its totient is φ = 48453396120.
The previous prime is 72680094181. The next prime is 72680094191. The reversal of 72680094189 is 98149008627.
It can be written as a sum of positive squares in only one way, i.e., 71351491689 + 1328602500 = 267117^2 + 36450^2 .
It is not a de Polignac number, because 72680094189 - 23 = 72680094181 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72680094181) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4037783002 + ... + 4037783019.
Almost surely, 272680094189 is an apocalyptic number.
It is an amenable number.
72680094189 is a deficient number, since it is larger than the sum of its proper divisors (32302264097).
72680094189 is a wasteful number, since it uses less digits than its factorization.
72680094189 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8075566027 (or 8075566024 counting only the distinct ones).
The product of its (nonzero) digits is 1741824, while the sum is 54.
The spelling of 72680094189 in words is "seventy-two billion, six hundred eighty million, ninety-four thousand, one hundred eighty-nine".
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