Base | Representation |
---|---|
bin | 111000010111000000… |
… | …0101101011011011100 |
3 | 102120101212012222012120 |
4 | 1300232000231123130 |
5 | 3440332420203200 |
6 | 131333442502540 |
7 | 11513155500216 |
oct | 1605600553334 |
9 | 376355188176 |
10 | 121031022300 |
11 | 47368947471 |
12 | 1b559064a50 |
13 | b54a996936 |
14 | 5c0224b5b6 |
15 | 32357639a0 |
hex | 1c2e02d6dc |
121031022300 has 72 divisors (see below), whose sum is σ = 370782112176. Its totient is φ = 30376412160.
The previous prime is 121031022293. The next prime is 121031022367. The reversal of 121031022300 is 3220130121.
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 121031022300.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11860687 + ... + 11870886.
It is an arithmetic number, because the mean of its divisors is an integer number (5149751558).
Almost surely, 2121031022300 is an apocalyptic number.
121031022300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
121031022300 is an abundant number, since it is smaller than the sum of its proper divisors (249751089876).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121031022300 is a wasteful number, since it uses less digits than its factorization.
121031022300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23731607 (or 23731600 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 121031022300 its reverse (3220130121), we get a palindrome (124251152421).
The spelling of 121031022300 in words is "one hundred twenty-one billion, thirty-one million, twenty-two thousand, three hundred".
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