Base | Representation |
---|---|
bin | 10100010011000010… |
… | …11111100100100010 |
3 | 1001010102222202220000 |
4 | 22021201133210202 |
5 | 134304140141000 |
6 | 5001152400430 |
7 | 534020420466 |
oct | 121141374442 |
9 | 31112882800 |
10 | 10897193250 |
11 | 46921aa639 |
12 | 2141546116 |
13 | 1048840458 |
14 | 75538c4a6 |
15 | 43ba33000 |
hex | 28985f922 |
10897193250 has 160 divisors (see below), whose sum is σ = 30759197040. Its totient is φ = 2878675200.
The previous prime is 10897193243. The next prime is 10897193261. The reversal of 10897193250 is 5239179801.
It can be written as a sum of positive squares in 8 ways, for example, as 658384281 + 10238808969 = 25659^2 + 101187^2 .
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a junction number, because it is equal to n+sod(n) for n = 10897193196 and 10897193205.
It is an unprimeable number.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2204782 + ... + 2209718.
Almost surely, 210897193250 is an apocalyptic number.
10897193250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 10897193250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15379598520).
10897193250 is an abundant number, since it is smaller than the sum of its proper divisors (19862003790).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10897193250 is a wasteful number, since it uses less digits than its factorization.
10897193250 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5075 (or 5056 counting only the distinct ones).
The product of its (nonzero) digits is 136080, while the sum is 45.
The spelling of 10897193250 in words is "ten billion, eight hundred ninety-seven million, one hundred ninety-three thousand, two hundred fifty".
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