Base | Representation |
---|---|
bin | 10011011101001111… |
… | …00101010101001010 |
3 | 222221222121212110000 |
4 | 21232213211111022 |
5 | 132343111223444 |
6 | 4444305503430 |
7 | 516566606421 |
oct | 115647452512 |
9 | 28858555400 |
10 | 10445804874 |
11 | 448042589a |
12 | 2036341b76 |
13 | ca617883b |
14 | 71144c2b8 |
15 | 4120bd469 |
hex | 26e9e554a |
10445804874 has 60 divisors (see below), whose sum is σ = 23869610226. Its totient is φ = 3413140848.
The previous prime is 10445804869. The next prime is 10445804879. The reversal of 10445804874 is 47840854401.
It is an interprime number because it is at equal distance from previous prime (10445804869) and next prime (10445804879).
It can be written as a sum of positive squares in only one way, i.e., 7982171649 + 2463633225 = 89343^2 + 49635^2 .
It is a super-2 number, since 2×104458048742 (a number of 21 digits) contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (10445804879) by changing a digit.
It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 9469807 + ... + 9470909.
Almost surely, 210445804874 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 10445804874, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11934805113).
10445804874 is an abundant number, since it is smaller than the sum of its proper divisors (13423805352).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10445804874 is an frugal number, since it uses more digits than its factorization.
10445804874 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2273 (or 1161 counting only the distinct ones).
The product of its (nonzero) digits is 573440, while the sum is 45.
The spelling of 10445804874 in words is "ten billion, four hundred forty-five million, eight hundred four thousand, eight hundred seventy-four".
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