Base | Representation |
---|---|
bin | 111101010111110… |
… | …111111010100010 |
3 | 2122202111120122220 |
4 | 331113313322202 |
5 | 4102043343024 |
6 | 250101211510 |
7 | 34342016010 |
oct | 7527677242 |
9 | 2582446586 |
10 | 1029668514 |
11 | 489248216 |
12 | 248a00b96 |
13 | 135427314 |
14 | 9aa718b0 |
15 | 605e1e79 |
hex | 3d5f7ea2 |
1029668514 has 32 divisors (see below), whose sum is σ = 2354626176. Its totient is φ = 294053760.
The previous prime is 1029668513. The next prime is 1029668537. The reversal of 1029668514 is 4158669201.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (1029668513) 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, 115704 + ... + 124284.
It is an arithmetic number, because the mean of its divisors is an integer number (73582068).
Almost surely, 21029668514 is an apocalyptic number.
1029668514 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
1029668514 is an abundant number, since it is smaller than the sum of its proper divisors (1324957662).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1029668514 is a wasteful number, since it uses less digits than its factorization.
1029668514 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11450.
The product of its (nonzero) digits is 103680, while the sum is 42.
The square root of 1029668514 is about 32088.4482952978. The cubic root of 1029668514 is about 1009.7932831851.
The spelling of 1029668514 in words is "one billion, twenty-nine million, six hundred sixty-eight thousand, five hundred fourteen".
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