Base | Representation |
---|---|
bin | 10011100110001011… |
… | …11011111000110000 |
3 | 1000011012212121001110 |
4 | 21303011323320300 |
5 | 133021320323243 |
6 | 4455550433320 |
7 | 521500631454 |
oct | 116305737060 |
9 | 30135777043 |
10 | 10520870448 |
11 | 4509836760 |
12 | 2057502840 |
13 | cb889bc3a |
14 | 71b3cc664 |
15 | 418999e33 |
hex | 27317be30 |
10520870448 has 80 divisors (see below), whose sum is σ = 29681707392. Its totient is φ = 3184704000.
The previous prime is 10520870447. The next prime is 10520870453. The reversal of 10520870448 is 84407802501.
It is a happy number.
It is a super-2 number, since 2×105208704482 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (10520870441) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 502428 + ... + 522948.
Almost surely, 210520870448 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 10520870448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14840853696).
10520870448 is an abundant number, since it is smaller than the sum of its proper divisors (19160836944).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10520870448 is a wasteful number, since it uses less digits than its factorization.
10520870448 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21514 (or 21508 counting only the distinct ones).
The product of its (nonzero) digits is 71680, while the sum is 39.
The spelling of 10520870448 in words is "ten billion, five hundred twenty million, eight hundred seventy thousand, four hundred forty-eight".
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