Base | Representation |
---|---|
bin | 10001111001100111101… |
… | …111010011101010010000 |
3 | 11100121002212020111010110 |
4 | 101321213233103222100 |
5 | 130123221340214300 |
6 | 2341033423401320 |
7 | 154605023561406 |
oct | 21714757235220 |
9 | 4317085214113 |
10 | 1230101101200 |
11 | 434757003a34 |
12 | 17a49a453240 |
13 | 8bcc88ba8aa |
14 | 4377416d476 |
15 | 21ee7635550 |
hex | 11e67bd3a90 |
1230101101200 has 120 divisors (see below), whose sum is σ = 3956123729376. Its totient is φ = 326720000000.
The previous prime is 1230101101193. The next prime is 1230101101223. The reversal of 1230101101200 is 21011010321.
It is a tau number, because it is divible by the number of its divisors (120).
It is a Harshad number since it is a multiple of its sum of digits (12).
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, 1740801 + ... + 2343200.
Almost surely, 21230101101200 is an apocalyptic number.
1230101101200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1230101101200 is an abundant number, since it is smaller than the sum of its proper divisors (2726022628176).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1230101101200 is a wasteful number, since it uses less digits than its factorization.
1230101101200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4084273 (or 4084262 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 12.
Adding to 1230101101200 its reverse (21011010321), we get a palindrome (1251112111521).
The spelling of 1230101101200 in words is "one trillion, two hundred thirty billion, one hundred one million, one hundred one thousand, two hundred".
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