Base | Representation |
---|---|
bin | 1110100100000… |
… | …0001001011111 |
3 | 11020221012020010 |
4 | 3221000021133 |
5 | 111114031114 |
6 | 10021054303 |
7 | 1341113160 |
oct | 351001137 |
9 | 136835203 |
10 | 61080159 |
11 | 31529478 |
12 | 18557393 |
13 | c86780a |
14 | 817d767 |
15 | 5567c59 |
hex | 3a4025f |
61080159 has 8 divisors (see below), whose sum is σ = 93074560. Its totient is φ = 34902936.
The previous prime is 61080113. The next prime is 61080161. The reversal of 61080159 is 95108016.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 61080159 - 211 = 61078111 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 (61080109) 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, 1454269 + ... + 1454310.
It is an arithmetic number, because the mean of its divisors is an integer number (11634320).
Almost surely, 261080159 is an apocalyptic number.
61080159 is a deficient number, since it is larger than the sum of its proper divisors (31994401).
61080159 is a wasteful number, since it uses less digits than its factorization.
61080159 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2908589.
The product of its (nonzero) digits is 2160, while the sum is 30.
The square root of 61080159 is about 7815.3796452892. The cubic root of 61080159 is about 393.8220721686.
The spelling of 61080159 in words is "sixty-one million, eighty thousand, one hundred fifty-nine".
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