Base | Representation |
---|---|
bin | 1000000001100101… |
… | …0001110010010111 |
3 | 12120010100010112200 |
4 | 2000121101302113 |
5 | 13402423010403 |
6 | 553430015543 |
7 | 104244430245 |
oct | 20031216227 |
9 | 5503303480 |
10 | 2154110103 |
11 | a05a36892 |
12 | 5014a75b3 |
13 | 284384c82 |
14 | 166133795 |
15 | c91a4ca3 |
hex | 80651c97 |
2154110103 has 24 divisors (see below), whose sum is σ = 3437767008. Its totient is φ = 1292831232.
The previous prime is 2154110087. The next prime is 2154110131. The reversal of 2154110103 is 3010114512.
2154110103 is a `hidden beast` number, since 21 + 541 + 1 + 0 + 103 = 666.
It is not a de Polignac number, because 2154110103 - 24 = 2154110087 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2154110003) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 302550 + ... + 309587.
It is an arithmetic number, because the mean of its divisors is an integer number (143240292).
Almost surely, 22154110103 is an apocalyptic number.
2154110103 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
2154110103 is a deficient number, since it is larger than the sum of its proper divisors (1283656905).
2154110103 is a wasteful number, since it uses less digits than its factorization.
2154110103 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 612183 (or 612180 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 18.
The square root of 2154110103 is about 46412.3916966148. The cubic root of 2154110103 is about 1291.4848001528.
Adding to 2154110103 its reverse (3010114512), we get a palindrome (5164224615).
The spelling of 2154110103 in words is "two billion, one hundred fifty-four million, one hundred ten thousand, one hundred three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.267 sec. • engine limits •