Base | Representation |
---|---|
bin | 111110000111010… |
… | …101010110110010 |
3 | 2200121220200000000 |
4 | 332013111112302 |
5 | 4113240003444 |
6 | 251224010430 |
7 | 34552534131 |
oct | 7607252662 |
9 | 2617820000 |
10 | 1042109874 |
11 | 495275633 |
12 | 251000a16 |
13 | 137b92180 |
14 | 9c58d918 |
15 | 6174d469 |
hex | 3e1d55b2 |
1042109874 has 144 divisors (see below), whose sum is σ = 2603928600. Its totient is φ = 310728960.
The previous prime is 1042109863. The next prime is 1042109881. The reversal of 1042109874 is 4789012401.
It can be written as a sum of positive squares in 4 ways, for example, as 224550225 + 817559649 = 14985^2 + 28593^2 .
It is a congruent number.
It is an unprimeable number.
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 71 ways as a sum of consecutive naturals, for example, 6993952 + ... + 6994100.
Almost surely, 21042109874 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1042109874, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1301964300).
1042109874 is an abundant number, since it is smaller than the sum of its proper divisors (1561818726).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1042109874 is an equidigital number, since it uses as much as digits as its factorization.
1042109874 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 229 (or 208 counting only the distinct ones).
The product of its (nonzero) digits is 16128, while the sum is 36.
The square root of 1042109874 is about 32281.7266266846. The cubic root of 1042109874 is about 1013.8440816249.
The spelling of 1042109874 in words is "one billion, forty-two million, one hundred nine thousand, eight hundred seventy-four".
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