Base | Representation |
---|---|
bin | 1101110000110… |
… | …11010001111101 |
3 | 22001020201121212 |
4 | 12320123101331 |
5 | 214024030401 |
6 | 15242334205 |
7 | 2601231536 |
oct | 670332175 |
9 | 261221555 |
10 | 115455101 |
11 | 5a198143 |
12 | 327ba365 |
13 | 1abc5338 |
14 | 1149568d |
15 | a208dbb |
hex | 6e1b47d |
115455101 has 4 divisors (see below), whose sum is σ = 120474912. Its totient is φ = 110435292.
The previous prime is 115455091. The next prime is 115455157. The reversal of 115455101 is 101554511.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 101554511 = 211 ⋅481301.
It is a cyclic number.
It is not a de Polignac number, because 115455101 - 26 = 115455037 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 5019787 = 115455101 / (1 + 1 + 5 + 4 + 5 + 5 + 1 + 0 + 1).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (115455601) 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, 2509871 + ... + 2509916.
It is an arithmetic number, because the mean of its divisors is an integer number (30118728).
Almost surely, 2115455101 is an apocalyptic number.
It is an amenable number.
115455101 is a deficient number, since it is larger than the sum of its proper divisors (5019811).
115455101 is an equidigital number, since it uses as much as digits as its factorization.
115455101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5019810.
The product of its (nonzero) digits is 500, while the sum is 23.
The square root of 115455101 is about 10745.0035365280. The cubic root of 115455101 is about 486.9350559280.
The spelling of 115455101 in words is "one hundred fifteen million, four hundred fifty-five thousand, one hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.089 sec. • engine limits •