Base | Representation |
---|---|
bin | 111101001110001… |
… | …010011000110100 |
3 | 2122120201020111222 |
4 | 331032022120310 |
5 | 4100420411430 |
6 | 245530445512 |
7 | 34311253640 |
oct | 7516123064 |
9 | 2576636458 |
10 | 1027122740 |
11 | 487869576 |
12 | 247b93898 |
13 | 134a45647 |
14 | 9a5abc20 |
15 | 6028c9e5 |
hex | 3d38a634 |
1027122740 has 48 divisors (see below), whose sum is σ = 2506896000. Its totient is φ = 346184832.
The previous prime is 1027122739. The next prime is 1027122749. The reversal of 1027122740 is 472217201.
1027122740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×10271227402 = 2109962246050215200, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1027122749) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53915 + ... + 70434.
It is an arithmetic number, because the mean of its divisors is an integer number (52227000).
Almost surely, 21027122740 is an apocalyptic number.
1027122740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1027122740 is an abundant number, since it is smaller than the sum of its proper divisors (1479773260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1027122740 is a wasteful number, since it uses less digits than its factorization.
1027122740 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 124424 (or 124422 counting only the distinct ones).
The product of its (nonzero) digits is 1568, while the sum is 26.
The square root of 1027122740 is about 32048.7556700724. The cubic root of 1027122740 is about 1008.9603850282.
Adding to 1027122740 its reverse (472217201), we get a palindrome (1499339941).
The spelling of 1027122740 in words is "one billion, twenty-seven million, one hundred twenty-two thousand, seven hundred forty".
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