Base | Representation |
---|---|
bin | 10111000000111100100100… |
… | …001011010001100010000001 |
3 | 111021101112202212222101211002 |
4 | 113000330210023101202001 |
5 | 101231342231401400001 |
6 | 555135512245501345 |
7 | 30214624316213030 |
oct | 2700744413214201 |
9 | 437345685871732 |
10 | 101220101200001 |
11 | 2a285227363353 |
12 | b429173111855 |
13 | 446302607c324 |
14 | 1add116c46717 |
15 | ba7e7906646b |
hex | 5c0f242d1881 |
101220101200001 has 8 divisors (see below), whose sum is σ = 115680391953984. Its totient is φ = 86759879520240.
The previous prime is 101220101199979. The next prime is 101220101200067. The reversal of 101220101200001 is 100002101022101.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-101220101200001 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (101220101205001) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14089430 + ... + 20023791.
It is an arithmetic number, because the mean of its divisors is an integer number (14460048994248).
Almost surely, 2101220101200001 is an apocalyptic number.
It is an amenable number.
101220101200001 is a deficient number, since it is larger than the sum of its proper divisors (14460290753983).
101220101200001 is an equidigital number, since it uses as much as digits as its factorization.
101220101200001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34537111.
The product of its (nonzero) digits is 8, while the sum is 11.
Adding to 101220101200001 its reverse (100002101022101), we get a palindrome (201222202222102).
The spelling of 101220101200001 in words is "one hundred one trillion, two hundred twenty billion, one hundred one million, two hundred thousand, one".
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