Base | Representation |
---|---|
bin | 10001011101101100110… |
… | …110011111110100011100 |
3 | 11020201201120110111002110 |
4 | 101131230312133310130 |
5 | 124130322224213040 |
6 | 2315154541354020 |
7 | 152464100354463 |
oct | 21355466376434 |
9 | 4221646414073 |
10 | 1200122101020 |
11 | 422a72703427 |
12 | 174712568910 |
13 | 8922b99902b |
14 | 4212c82d9da |
15 | 213407a8980 |
hex | 1176cd9fd1c |
1200122101020 has 48 divisors (see below), whose sum is σ = 3451161940128. Its totient is φ = 311383031040.
The previous prime is 1200122100979. The next prime is 1200122101043. The reversal of 1200122101020 is 201012210021.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a junction number, because it is equal to n+sod(n) for n = 1200122100987 and 1200122101005.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270295551 + ... + 270299990.
It is an arithmetic number, because the mean of its divisors is an integer number (71899207086).
Almost surely, 21200122101020 is an apocalyptic number.
1200122101020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1200122101020 is an abundant number, since it is smaller than the sum of its proper divisors (2251039839108).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1200122101020 is a wasteful number, since it uses less digits than its factorization.
1200122101020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 540595590 (or 540595588 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 12.
Adding to 1200122101020 its reverse (201012210021), we get a palindrome (1401134311041).
The spelling of 1200122101020 in words is "one trillion, two hundred billion, one hundred twenty-two million, one hundred one thousand, twenty".
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