Base | Representation |
---|---|
bin | 10011101001001010… |
… | …11000001101001011 |
3 | 1000012221221201121002 |
4 | 21310211120031023 |
5 | 133044221440443 |
6 | 4502243005215 |
7 | 522223405226 |
oct | 116445301513 |
9 | 30187851532 |
10 | 10545890123 |
11 | 452197537a |
12 | 206396980b |
13 | cc0b1c092 |
14 | 7208625bd |
15 | 41ac8d2b8 |
hex | 27495834b |
10545890123 has 8 divisors (see below), whose sum is σ = 10605580128. Its totient is φ = 10486323904.
The previous prime is 10545890081. The next prime is 10545890161. The reversal of 10545890123 is 32109854501.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 10545890123 - 210 = 10545889099 is a prime.
It is a super-2 number, since 2×105458901232 (a number of 21 digits) contains 22 as substring.
It is an alternating number because its digits alternate between odd and even.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (10545890623) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142661 + ... + 203577.
It is an arithmetic number, because the mean of its divisors is an integer number (1325697516).
Almost surely, 210545890123 is an apocalyptic number.
10545890123 is a deficient number, since it is larger than the sum of its proper divisors (59690005).
10545890123 is an equidigital number, since it uses as much as digits as its factorization.
10545890123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61893.
The product of its (nonzero) digits is 43200, while the sum is 38.
The spelling of 10545890123 in words is "ten billion, five hundred forty-five million, eight hundred ninety thousand, one hundred twenty-three".
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