Base | Representation |
---|---|
bin | 1011101010000111… |
… | …1010001111000100 |
3 | 22002002121121100122 |
4 | 2322201322033010 |
5 | 22402114421320 |
6 | 1234311001112 |
7 | 140356620122 |
oct | 27241721704 |
9 | 8062547318 |
10 | 3129451460 |
11 | 1366548223 |
12 | 734069198 |
13 | 3ab46a435 |
14 | 2198a2912 |
15 | 134b14d25 |
hex | ba87a3c4 |
3129451460 has 24 divisors (see below), whose sum is σ = 6958428120. Its totient is φ = 1178146304.
The previous prime is 3129451459. The next prime is 3129451489. The reversal of 3129451460 is 641549213.
3129451460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 997043776 + 2132407684 = 31576^2 + 46178^2 .
It is a super-2 number, since 2×31294514602 = 19586932880992263200, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 3129451460.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4601795 + ... + 4602474.
It is an arithmetic number, because the mean of its divisors is an integer number (289934505).
Almost surely, 23129451460 is an apocalyptic number.
It is an amenable number.
3129451460 is an abundant number, since it is smaller than the sum of its proper divisors (3828976660).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3129451460 is a wasteful number, since it uses less digits than its factorization.
3129451460 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9204295 (or 9204293 counting only the distinct ones).
The product of its (nonzero) digits is 25920, while the sum is 35.
The square root of 3129451460 is about 55941.5003374060. The cubic root of 3129451460 is about 1462.7027343080.
The spelling of 3129451460 in words is "three billion, one hundred twenty-nine million, four hundred fifty-one thousand, four hundred sixty".
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