Base | Representation |
---|---|
bin | 111100110111001… |
… | …011100010011100 |
3 | 2122011101011022122 |
4 | 330313023202130 |
5 | 4042400120030 |
6 | 245153402112 |
7 | 34206122336 |
oct | 7467134234 |
9 | 2564334278 |
10 | 1021098140 |
11 | 484424167 |
12 | 245b69338 |
13 | 1337163aa |
14 | 99880456 |
15 | 5e99c8e5 |
hex | 3cdcb89c |
1021098140 has 24 divisors (see below), whose sum is σ = 2146217472. Its totient is φ = 408075200.
The previous prime is 1021098137. The next prime is 1021098163. The reversal of 1021098140 is 418901201.
It is a super-2 number, since 2×10210981402 = 2085282823022919200, which contains 22 as substring.
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 7 ways as a sum of consecutive naturals, for example, 842 + ... + 45198.
It is an arithmetic number, because the mean of its divisors is an integer number (89425728).
Almost surely, 21021098140 is an apocalyptic number.
1021098140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1021098140 is an abundant number, since it is smaller than the sum of its proper divisors (1125119332).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1021098140 is a wasteful number, since it uses less digits than its factorization.
1021098140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45517 (or 45515 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 26.
The square root of 1021098140 is about 31954.6262691336. The cubic root of 1021098140 is about 1006.9838259656.
Adding to 1021098140 its reverse (418901201), we get a palindrome (1439999341).
The spelling of 1021098140 in words is "one billion, twenty-one million, ninety-eight thousand, one hundred forty".
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