Base | Representation |
---|---|
bin | 111000010111000000… |
… | …1110001100010110100 |
3 | 102120101212202010220220 |
4 | 1300232001301202310 |
5 | 3440333003120200 |
6 | 131333452454340 |
7 | 11513161041510 |
oct | 1605601614264 |
9 | 376355663826 |
10 | 121031301300 |
11 | 47369018048 |
12 | 1b55917a3b0 |
13 | b54aa63920 |
14 | 5c022c1140 |
15 | 32357bb4a0 |
hex | 1c2e0718b4 |
121031301300 has 144 divisors (see below), whose sum is σ = 430995664512. Its totient is φ = 25536268800.
The previous prime is 121031301283. The next prime is 121031301343. The reversal of 121031301300 is 3103130121.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 121031301300.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2189391 + ... + 2243990.
It is an arithmetic number, because the mean of its divisors is an integer number (2993025448).
Almost surely, 2121031301300 is an apocalyptic number.
121031301300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
121031301300 is an abundant number, since it is smaller than the sum of its proper divisors (309964363212).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121031301300 is a wasteful number, since it uses less digits than its factorization.
121031301300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4433418 (or 4433411 counting only the distinct ones).
The product of its (nonzero) digits is 54, while the sum is 15.
Adding to 121031301300 its reverse (3103130121), we get a palindrome (124134431421).
The spelling of 121031301300 in words is "one hundred twenty-one billion, thirty-one million, three hundred one thousand, three hundred".
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