Base | Representation |
---|---|
bin | 10001110000001110110… |
… | …111000000100010010001 |
3 | 11022122002021220011011212 |
4 | 101300032313000202101 |
5 | 124442100110410301 |
6 | 2332245222545505 |
7 | 154100143002323 |
oct | 21601667004221 |
9 | 4278067804155 |
10 | 1220020013201 |
11 | 430453545350 |
12 | 178546298295 |
13 | 8b08017ba72 |
14 | 4309933d613 |
15 | 21b075ab4bb |
hex | 11c0edc0891 |
1220020013201 has 8 divisors (see below), whose sum is σ = 1333641583008. Its totient is φ = 1106850220000.
The previous prime is 1220020013129. The next prime is 1220020013209. The reversal of 1220020013201 is 1023100200221.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1220020013201 - 234 = 1202840144017 is a prime.
It is a super-2 number, since 2×12200200132012 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1220020013209) 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, 112938500 + ... + 112949301.
It is an arithmetic number, because the mean of its divisors is an integer number (166705197876).
Almost surely, 21220020013201 is an apocalyptic number.
1220020013201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
1220020013201 is a deficient number, since it is larger than the sum of its proper divisors (113621569807).
1220020013201 is a wasteful number, since it uses less digits than its factorization.
1220020013201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 225888303.
The product of its (nonzero) digits is 48, while the sum is 14.
Adding to 1220020013201 its reverse (1023100200221), we get a palindrome (2243120213422).
The spelling of 1220020013201 in words is "one trillion, two hundred twenty billion, twenty million, thirteen thousand, two hundred one".
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