Base | Representation |
---|---|
bin | 101000110001… |
… | …010011000000 |
3 | 202002222202000 |
4 | 220301103000 |
5 | 10214001210 |
6 | 1021024000 |
7 | 156562263 |
oct | 50612300 |
9 | 22088660 |
10 | 10687680 |
11 | 603a8a3 |
12 | 36b5000 |
13 | 22a2893 |
14 | 15c2cda |
15 | e11ac0 |
hex | a314c0 |
10687680 has 112 divisors (see below), whose sum is σ = 37734240. Its totient is φ = 2847744.
The previous prime is 10687669. The next prime is 10687681. The reversal of 10687680 is 8678601.
It is a super-2 number, since 2×106876802 = 228453007564800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (10687681) 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, 8022 + ... + 9258.
Almost surely, 210687680 is an apocalyptic number.
10687680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 10687680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18867120).
10687680 is an abundant number, since it is smaller than the sum of its proper divisors (27046560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10687680 is a wasteful number, since it uses less digits than its factorization.
10687680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1263 (or 1247 counting only the distinct ones).
The product of its (nonzero) digits is 16128, while the sum is 36.
The square root of 10687680 is about 3269.2017374277. The cubic root of 10687680 is about 220.2729394789.
The spelling of 10687680 in words is "ten million, six hundred eighty-seven thousand, six hundred eighty".
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