Base | Representation |
---|---|
bin | 10111110000000101… |
… | …01001011010100100 |
3 | 1012220122222010022101 |
4 | 23320002221122210 |
5 | 202103323044314 |
6 | 5505150141444 |
7 | 630663632254 |
oct | 137002513244 |
9 | 35818863271 |
10 | 12751378084 |
11 | 54539030a5 |
12 | 257a4b1884 |
13 | 1282a22643 |
14 | 88d72b964 |
15 | 4e96e1174 |
hex | 2f80a96a4 |
12751378084 has 27 divisors (see below), whose sum is σ = 22538848843. Its totient is φ = 6312339800.
The previous prime is 12751378027. The next prime is 12751378091. The reversal of 12751378084 is 48087315721.
The square root of 12751378084 is 112922.
It is a perfect power (a square), and thus also a powerful number.
It is a super-2 number, since 2×127513780842 (a number of 21 digits) 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 8 ways as a sum of consecutive naturals, for example, 29585349 + ... + 29585779.
Almost surely, 212751378084 is an apocalyptic number.
12751378084 is the 112922-nd square number.
It is an amenable number.
12751378084 is a deficient number, since it is larger than the sum of its proper divisors (9787470759).
12751378084 is an frugal number, since it uses more digits than its factorization.
12751378084 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1128 (or 564 counting only the distinct ones).
The product of its (nonzero) digits is 376320, while the sum is 46.
The spelling of 12751378084 in words is "twelve billion, seven hundred fifty-one million, three hundred seventy-eight thousand, eighty-four".
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