Base | Representation |
---|---|
bin | 10010101110100110… |
… | …00011000000100000 |
3 | 221221201101211101212 |
4 | 21113103003000200 |
5 | 131042430423230 |
6 | 4341411445252 |
7 | 504106140362 |
oct | 112723030040 |
9 | 27851354355 |
10 | 10054545440 |
11 | 429a58a895 |
12 | 1b472b6828 |
13 | c430a7794 |
14 | 6b54c0d32 |
15 | 3dca84895 |
hex | 2574c3020 |
10054545440 has 48 divisors (see below), whose sum is σ = 23761804248. Its totient is φ = 4020473856.
The previous prime is 10054545439. The next prime is 10054545443. The reversal of 10054545440 is 4454545001.
It can be written as a sum of positive squares in 4 ways, for example, as 2993840656 + 7060704784 = 54716^2 + 84028^2 .
It is a Harshad number since it is a multiple of its sum of digits (32).
It is a junction number, because it is equal to n+sod(n) for n = 10054545397 and 10054545406.
It is not an unprimeable number, because it can be changed into a prime (10054545443) 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, 569384 + ... + 586776.
Almost surely, 210054545440 is an apocalyptic number.
10054545440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
10054545440 is an abundant number, since it is smaller than the sum of its proper divisors (13707258808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10054545440 is a wasteful number, since it uses less digits than its factorization.
10054545440 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21021 (or 21013 counting only the distinct ones).
The product of its (nonzero) digits is 32000, while the sum is 32.
The spelling of 10054545440 in words is "ten billion, fifty-four million, five hundred forty-five thousand, four hundred forty".
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