Base | Representation |
---|---|
bin | 111100110110110… |
… | …110000001111100 |
3 | 2122011012200110211 |
4 | 330312312001330 |
5 | 4042334310134 |
6 | 245151442204 |
7 | 34205304445 |
oct | 7466660174 |
9 | 2564180424 |
10 | 1021010044 |
11 | 484373a5a |
12 | 245b26364 |
13 | 1336b5272 |
14 | 9985a2cc |
15 | 5e981764 |
hex | 3cdb607c |
1021010044 has 24 divisors (see below), whose sum is σ = 1843556400. Its totient is φ = 494459520.
The previous prime is 1021010041. The next prime is 1021010051. The reversal of 1021010044 is 4400101201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1021010041) by changing a digit.
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, 402 + ... + 45190.
It is an arithmetic number, because the mean of its divisors is an integer number (76814850).
Almost surely, 21021010044 is an apocalyptic number.
It is an amenable number.
1021010044 is a deficient number, since it is larger than the sum of its proper divisors (822546356).
1021010044 is a wasteful number, since it uses less digits than its factorization.
1021010044 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44973 (or 44971 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 13.
The square root of 1021010044 is about 31953.2477848497. The cubic root of 1021010044 is about 1006.9548657070.
Adding to 1021010044 its reverse (4400101201), we get a palindrome (5421111245).
The spelling of 1021010044 in words is "one billion, twenty-one million, ten thousand, forty-four".
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