Base | Representation |
---|---|
bin | 1011101100110111… |
… | …0010101001100001 |
3 | 22002220021000212100 |
4 | 2323031302221201 |
5 | 22413041022341 |
6 | 1235401321013 |
7 | 140556450252 |
oct | 27315625141 |
9 | 8086230770 |
10 | 3140954721 |
11 | 1371a94853 |
12 | 737a96169 |
13 | 3b09672b8 |
14 | 21b218b29 |
15 | 135b383b6 |
hex | bb372a61 |
3140954721 has 48 divisors (see below), whose sum is σ = 4711160272. Its totient is φ = 2015539200.
The previous prime is 3140954711. The next prime is 3140954723. The reversal of 3140954721 is 1274590413.
It can be written as a sum of positive squares in 8 ways, for example, as 1710980496 + 1429974225 = 41364^2 + 37815^2 .
It is not a de Polignac number, because 3140954721 - 221 = 3138857569 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (3140954723) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7253721 + ... + 7254153.
Almost surely, 23140954721 is an apocalyptic number.
It is an amenable number.
3140954721 is a deficient number, since it is larger than the sum of its proper divisors (1570205551).
3140954721 is a wasteful number, since it uses less digits than its factorization.
3140954721 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 754 (or 751 counting only the distinct ones).
The product of its (nonzero) digits is 30240, while the sum is 36.
The square root of 3140954721 is about 56044.2211204688. The cubic root of 3140954721 is about 1464.4927473858.
The spelling of 3140954721 in words is "three billion, one hundred forty million, nine hundred fifty-four thousand, seven hundred twenty-one".
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