Base | Representation |
---|---|
bin | 11000100000001100… |
… | …10110000000110011 |
3 | 1020221210110020222222 |
4 | 30100012112000303 |
5 | 203420140002441 |
6 | 10013205151255 |
7 | 643664441522 |
oct | 142006260063 |
9 | 36853406888 |
10 | 13155000371 |
11 | 5640722537 |
12 | 26716bb52b |
13 | 13185318b6 |
14 | 8cb1964b9 |
15 | 51ed6cd4b |
hex | 310196033 |
13155000371 has 4 divisors (see below), whose sum is σ = 13155287112. Its totient is φ = 13154713632.
The previous prime is 13155000361. The next prime is 13155000373. The reversal of 13155000371 is 17300055131.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17300055131 = 74413 ⋅232487.
It is a cyclic number.
It is not a de Polignac number, because 13155000371 - 214 = 13154983987 is a prime.
It is a super-2 number, since 2×131550003712 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 13155000371.
It is not an unprimeable number, because it can be changed into a prime (13155000373) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57350 + ... + 172043.
It is an arithmetic number, because the mean of its divisors is an integer number (3288821778).
Almost surely, 213155000371 is an apocalyptic number.
13155000371 is a deficient number, since it is larger than the sum of its proper divisors (286741).
13155000371 is an equidigital number, since it uses as much as digits as its factorization.
13155000371 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 286740.
The product of its (nonzero) digits is 1575, while the sum is 26.
The spelling of 13155000371 in words is "thirteen billion, one hundred fifty-five million, three hundred seventy-one", and thus it is an aban number.
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