Base | Representation |
---|---|
bin | 1101001010101001111111… |
… | …00010000111100011111010 |
3 | 10210111220220001021011122022 |
4 | 12211110333202013203322 |
5 | 12243333121223411220 |
6 | 141325005451554442 |
7 | 6045550150115231 |
oct | 645247742074372 |
9 | 123456801234568 |
10 | 28953440450810 |
11 | 92530a3357797 |
12 | 32b745475ba22 |
13 | 13203b4120605 |
14 | 7214d550db18 |
15 | 35322ac65925 |
hex | 1a553f8878fa |
28953440450810 has 64 divisors (see below), whose sum is σ = 56820642558624. Its totient is φ = 10579161907200.
The previous prime is 28953440450807. The next prime is 28953440450819. The reversal of 28953440450810 is 1805404435982.
It can be written as a sum of positive squares in 16 ways, for example, as 3228996957481 + 25724443493329 = 1796941^2 + 5071927^2 .
It is a super-2 number, since 2×289534404508102 (a number of 28 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (28953440450819) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9416471 + ... + 12106890.
Almost surely, 228953440450810 is an apocalyptic number.
28953440450810 is a deficient number, since it is larger than the sum of its proper divisors (27867202107814).
28953440450810 is a wasteful number, since it uses less digits than its factorization.
28953440450810 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21523619.
The product of its (nonzero) digits is 5529600, while the sum is 53.
The spelling of 28953440450810 in words is "twenty-eight trillion, nine hundred fifty-three billion, four hundred forty million, four hundred fifty thousand, eight hundred ten".
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