Base | Representation |
---|---|
bin | 10010110100001011… |
… | …01101101010101000 |
3 | 222001222112100210212 |
4 | 21122011231222220 |
5 | 131141423204200 |
6 | 4350203400252 |
7 | 505215220466 |
oct | 113205555250 |
9 | 28058470725 |
10 | 10101381800 |
11 | 4313a6a724 |
12 | 1b5ab23088 |
13 | c4c9c5bc3 |
14 | 6bb7d3836 |
15 | 3e1c37035 |
hex | 25a16daa8 |
10101381800 has 48 divisors (see below), whose sum is σ = 23524310940. Its totient is φ = 4033912320.
The previous prime is 10101381757. The next prime is 10101381811. The reversal of 10101381800 is 818310101.
It can be written as a sum of positive squares in 6 ways, for example, as 2356325764 + 7745056036 = 48542^2 + 88006^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81404 + ... + 163796.
Almost surely, 210101381800 is an apocalyptic number.
10101381800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
10101381800 is an abundant number, since it is smaller than the sum of its proper divisors (13422929140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10101381800 is a wasteful number, since it uses less digits than its factorization.
10101381800 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 83022 (or 83013 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 23.
Adding to 10101381800 its reverse (818310101), we get a palindrome (10919691901).
The spelling of 10101381800 in words is "ten billion, one hundred one million, three hundred eighty-one thousand, eight hundred".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •