Base | Representation |
---|---|
bin | 1100010000110110010… |
… | …0011010011000110100 |
3 | 202010210201120001220012 |
4 | 3010031210122120310 |
5 | 11422433321442310 |
6 | 240441401555352 |
7 | 21135605230334 |
oct | 3041544323064 |
9 | 663721501805 |
10 | 210681046580 |
11 | 81392a5a624 |
12 | 349b87a5b58 |
13 | 16b37140a94 |
14 | a2a88870c4 |
15 | 573100dc05 |
hex | 310d91a634 |
210681046580 has 96 divisors (see below), whose sum is σ = 481353497856. Its totient is φ = 77133551616.
The previous prime is 210681046577. The next prime is 210681046601. The reversal of 210681046580 is 85640186012.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45373739 + ... + 45378381.
It is an arithmetic number, because the mean of its divisors is an integer number (5014098936).
Almost surely, 2210681046580 is an apocalyptic number.
210681046580 is a gapful number since it is divisible by the number (20) 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 210681046580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240676748928).
210681046580 is an abundant number, since it is smaller than the sum of its proper divisors (270672451276).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
210681046580 is a wasteful number, since it uses less digits than its factorization.
210681046580 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8313 (or 8311 counting only the distinct ones).
The product of its (nonzero) digits is 92160, while the sum is 41.
The spelling of 210681046580 in words is "two hundred ten billion, six hundred eighty-one million, forty-six thousand, five hundred eighty".
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