Base | Representation |
---|---|
bin | 1111100101111… |
… | …11010001011011 |
3 | 100010010200022002 |
4 | 13302333101123 |
5 | 231441310000 |
6 | 20551351215 |
7 | 3145561103 |
oct | 762772133 |
9 | 303120262 |
10 | 130806875 |
11 | 67923161 |
12 | 3798250b |
13 | 2113bb24 |
14 | 13530203 |
15 | b73c8d5 |
hex | 7cbf45b |
130806875 has 40 divisors (see below), whose sum is σ = 171994944. Its totient is φ = 99360000.
The previous prime is 130806869. The next prime is 130806881. The reversal of 130806875 is 578608031.
It is an interprime number because it is at equal distance from previous prime (130806869) and next prime (130806881).
It is not a de Polignac number, because 130806875 - 24 = 130806859 is a prime.
It is a super-2 number, since 2×1308068752 = 34220877094531250, which contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1791839 + ... + 1791911.
Almost surely, 2130806875 is an apocalyptic number.
130806875 is a deficient number, since it is larger than the sum of its proper divisors (41188069).
130806875 is an frugal number, since it uses more digits than its factorization.
130806875 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 201 (or 186 counting only the distinct ones).
The product of its (nonzero) digits is 40320, while the sum is 38.
The square root of 130806875 is about 11437.0833257435. The cubic root of 130806875 is about 507.6256089386.
The spelling of 130806875 in words is "one hundred thirty million, eight hundred six thousand, eight hundred seventy-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •