Base | Representation |
---|---|
bin | 111000010110000101… |
… | …1001000101000000000 |
3 | 102120022201020001220222 |
4 | 1300230023020220000 |
5 | 3440302022410304 |
6 | 131330422122212 |
7 | 11512332510305 |
oct | 1605413105000 |
9 | 376281201828 |
10 | 121000200704 |
11 | 47352505779 |
12 | 1b54a880368 |
13 | b5444949c6 |
14 | 5bdc1070ac |
15 | 3232bc64be |
hex | 1c2c2c8a00 |
121000200704 has 80 divisors (see below), whose sum is σ = 254833555680. Its totient is φ = 57238179840.
The previous prime is 121000200623. The next prime is 121000200707. The reversal of 121000200704 is 407002000121.
It is not an unprimeable number, because it can be changed into a prime (121000200707) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7511699 + ... + 7527789.
It is an arithmetic number, because the mean of its divisors is an integer number (3185419446).
Almost surely, 2121000200704 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 121000200704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127416777840).
121000200704 is an abundant number, since it is smaller than the sum of its proper divisors (133833354976).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121000200704 is an equidigital number, since it uses as much as digits as its factorization.
121000200704 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16901 (or 16885 counting only the distinct ones).
The product of its (nonzero) digits is 112, while the sum is 17.
Adding to 121000200704 its reverse (407002000121), we get a palindrome (528002200825).
The spelling of 121000200704 in words is "one hundred twenty-one billion, two hundred thousand, seven hundred four".
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