Base | Representation |
---|---|
bin | 10011001001110011… |
… | …10100000000011101 |
3 | 222112121220221110110 |
4 | 21210321310000131 |
5 | 132024344431141 |
6 | 4420204200233 |
7 | 512550312021 |
oct | 114471640035 |
9 | 28477827413 |
10 | 10282811421 |
11 | 43a7419463 |
12 | 1bab839079 |
13 | c7b47a6cc |
14 | 6d7940381 |
15 | 402b23e16 |
hex | 264e7401d |
10282811421 has 4 divisors (see below), whose sum is σ = 13710415232. Its totient is φ = 6855207612.
The previous prime is 10282811417. The next prime is 10282811459. The reversal of 10282811421 is 12411828201.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12411828201 = 3 ⋅4137276067.
It is not a de Polignac number, because 10282811421 - 22 = 10282811417 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10282811491) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1713801901 + ... + 1713801906.
It is an arithmetic number, because the mean of its divisors is an integer number (3427603808).
Almost surely, 210282811421 is an apocalyptic number.
It is an amenable number.
10282811421 is a deficient number, since it is larger than the sum of its proper divisors (3427603811).
10282811421 is an equidigital number, since it uses as much as digits as its factorization.
10282811421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3427603810.
The product of its (nonzero) digits is 2048, while the sum is 30.
The spelling of 10282811421 in words is "ten billion, two hundred eighty-two million, eight hundred eleven thousand, four hundred twenty-one".
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