Base | Representation |
---|---|
bin | 10001011110110011110… |
… | …011010010001101110000 |
3 | 11020211210112022000211210 |
4 | 101132303303102031300 |
5 | 124140241441104300 |
6 | 2315513022440120 |
7 | 152535433161144 |
oct | 21366363221560 |
9 | 4224715260753 |
10 | 1201312441200 |
11 | 423523611643 |
12 | 1749a5133040 |
13 | 8938b48a731 |
14 | 42202967224 |
15 | 213b0037050 |
hex | 117b3cd2370 |
1201312441200 has 120 divisors (see below), whose sum is σ = 3872715648688. Its totient is φ = 318309488640.
The previous prime is 1201312441193. The next prime is 1201312441201. The reversal of 1201312441200 is 21442131021.
It is a tau number, because it is divible by the number of its divisors (120).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1201312441201) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2999797 + ... + 3376596.
Almost surely, 21201312441200 is an apocalyptic number.
1201312441200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1201312441200 is an abundant number, since it is smaller than the sum of its proper divisors (2671403207488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1201312441200 is a wasteful number, since it uses less digits than its factorization.
1201312441200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6376571 (or 6376560 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 21.
Adding to 1201312441200 its reverse (21442131021), we get a palindrome (1222754572221).
The spelling of 1201312441200 in words is "one trillion, two hundred one billion, three hundred twelve million, four hundred forty-one thousand, two hundred".
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