Base | Representation |
---|---|
bin | 10011100101001010… |
… | …010001101001001110 |
3 | 2000021020101120021010 |
4 | 103211022101221032 |
5 | 321024240422413 |
6 | 13354124550050 |
7 | 1343002454415 |
oct | 234512215116 |
9 | 60236346233 |
10 | 21024545358 |
11 | 8a09898123 |
12 | 40a90b2326 |
13 | 1ca0a2a0ab |
14 | 10363c247c |
15 | 830b99dc3 |
hex | 4e5291a4e |
21024545358 has 32 divisors (see below), whose sum is σ = 43045994880. Its totient is φ = 6843684960.
The previous prime is 21024545281. The next prime is 21024545401. The reversal of 21024545358 is 85354542012.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155760 + ... + 257507.
It is an arithmetic number, because the mean of its divisors is an integer number (1345187340).
Almost surely, 221024545358 is an apocalyptic number.
21024545358 is an abundant number, since it is smaller than the sum of its proper divisors (22021449522).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21024545358 is a wasteful number, since it uses less digits than its factorization.
21024545358 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 413472.
The product of its (nonzero) digits is 192000, while the sum is 39.
The spelling of 21024545358 in words is "twenty-one billion, twenty-four million, five hundred forty-five thousand, three hundred fifty-eight".
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