Base | Representation |
---|---|
bin | 10001011111100100000… |
… | …000000100111100101100 |
3 | 11020220212212221012200110 |
4 | 101133210000010330230 |
5 | 124143421000213400 |
6 | 2320125151100020 |
7 | 152564452523163 |
oct | 21374400047454 |
9 | 4226785835613 |
10 | 1202121101100 |
11 | 4238a9027807 |
12 | 174b8bb11610 |
13 | 89489b8320a |
14 | 4227c1083da |
15 | 2140b01ee50 |
hex | 117e4004f2c |
1202121101100 has 72 divisors (see below), whose sum is σ = 3500290928848. Its totient is φ = 318523795200.
The previous prime is 1202121101089. The next prime is 1202121101107. The reversal of 1202121101100 is 11011212021.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is not an unprimeable number, because it can be changed into a prime (1202121101107) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12714271 + ... + 12808470.
Almost surely, 21202121101100 is an apocalyptic number.
1202121101100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1202121101100 is an abundant number, since it is smaller than the sum of its proper divisors (2298169827748).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1202121101100 is a wasteful number, since it uses less digits than its factorization.
1202121101100 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25522915 (or 25522908 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 12.
Adding to 1202121101100 its reverse (11011212021), we get a palindrome (1213132313121).
The spelling of 1202121101100 in words is "one trillion, two hundred two billion, one hundred twenty-one million, one hundred one thousand, one hundred".
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