Base | Representation |
---|---|
bin | 10011000010011001… |
… | …01010110001001110 |
3 | 222101021221120210020 |
4 | 21201030222301032 |
5 | 131412441123304 |
6 | 4410103523010 |
7 | 511164024105 |
oct | 114114526116 |
9 | 28337846706 |
10 | 10220645454 |
11 | 4375319228 |
12 | 1b92a59466 |
13 | c6b622906 |
14 | 6cd59b03c |
15 | 3ec4445d9 |
hex | 26132ac4e |
10220645454 has 8 divisors (see below), whose sum is σ = 20441290920. Its totient is φ = 3406881816.
The previous prime is 10220645437. The next prime is 10220645467. The reversal of 10220645454 is 45454602201.
It is a sphenic number, since it is the product of 3 distinct primes.
10220645454 is an admirable number.
It is a super-2 number, since 2×102206454542 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 851720449 + ... + 851720460.
It is an arithmetic number, because the mean of its divisors is an integer number (2555161365).
Almost surely, 210220645454 is an apocalyptic number.
10220645454 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10220645454 is a wasteful number, since it uses less digits than its factorization.
10220645454 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1703440914.
The product of its (nonzero) digits is 38400, while the sum is 33.
The spelling of 10220645454 in words is "ten billion, two hundred twenty million, six hundred forty-five thousand, four hundred fifty-four".
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