Base | Representation |
---|---|
bin | 10101011111101… |
… | …00100010100111 |
3 | 110120021121021002 |
4 | 22233310202213 |
5 | 332124330020 |
6 | 25520343515 |
7 | 4316410460 |
oct | 1257644247 |
9 | 416247232 |
10 | 180308135 |
11 | 92863197 |
12 | 50474b9b |
13 | 2b481207 |
14 | 19d37d67 |
15 | 10c69975 |
hex | abf48a7 |
180308135 has 8 divisors (see below), whose sum is σ = 247279776. Its totient is φ = 123639840.
The previous prime is 180308087. The next prime is 180308147. The reversal of 180308135 is 531803081.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 180308135 - 214 = 180291751 is a prime.
It is a super-2 number, since 2×1803081352 = 65022047094356450, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 180308098 and 180308107.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2575796 + ... + 2575865.
It is an arithmetic number, because the mean of its divisors is an integer number (30909972).
Almost surely, 2180308135 is an apocalyptic number.
180308135 is a deficient number, since it is larger than the sum of its proper divisors (66971641).
180308135 is an equidigital number, since it uses as much as digits as its factorization.
180308135 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5151673.
The product of its (nonzero) digits is 2880, while the sum is 29.
The square root of 180308135 is about 13427.8864680932. The cubic root of 180308135 is about 564.9436182546.
The spelling of 180308135 in words is "one hundred eighty million, three hundred eight thousand, one hundred thirty-five".
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