Base | Representation |
---|---|
bin | 101001000100011111010110… |
… | …001010100101001000000101 |
3 | 212200112220120202001001022212 |
4 | 221010133112022211020011 |
5 | 142133404022314343023 |
6 | 1440055321104033205 |
7 | 53021655124330634 |
oct | 5104372612451005 |
9 | 780486522031285 |
10 | 180628442731013 |
11 | 52610101a47682 |
12 | 18313004002805 |
13 | 79a325c4a65c4 |
14 | 328666b32551b |
15 | 15d38610e1e78 |
hex | a447d62a5205 |
180628442731013 has 16 divisors (see below), whose sum is σ = 196198759249920. Its totient is φ = 165640023603456.
The previous prime is 180628442730991. The next prime is 180628442731021. The reversal of 180628442731013 is 310137244826081.
It is a cyclic number.
It is not a de Polignac number, because 180628442731013 - 26 = 180628442730949 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 (180628442731613) 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, 506701058 + ... + 507057411.
It is an arithmetic number, because the mean of its divisors is an integer number (12262422453120).
Almost surely, 2180628442731013 is an apocalyptic number.
It is an amenable number.
180628442731013 is a deficient number, since it is larger than the sum of its proper divisors (15570316518907).
180628442731013 is a wasteful number, since it uses less digits than its factorization.
180628442731013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1013758756.
The product of its (nonzero) digits is 1548288, while the sum is 50.
The spelling of 180628442731013 in words is "one hundred eighty trillion, six hundred twenty-eight billion, four hundred forty-two million, seven hundred thirty-one thousand, thirteen".
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