Base | Representation |
---|---|
bin | 10001110000011001101… |
… | …001011101011100101100 |
3 | 11022122112220110210110121 |
4 | 101300121221131130230 |
5 | 124442432424322423 |
6 | 2332315210214324 |
7 | 154104501314551 |
oct | 21603151353454 |
9 | 4278486423417 |
10 | 1220201010988 |
11 | 4305367296a3 |
12 | 178596a243a4 |
13 | 8b0ab811b4b |
14 | 430b53b6a28 |
15 | 21b1841045d |
hex | 11c19a5d72c |
1220201010988 has 12 divisors (see below), whose sum is σ = 2187433519992. Its totient is φ = 595220005280.
The previous prime is 1220201010967. The next prime is 1220201010997. The reversal of 1220201010988 is 8890101020221.
It is a super-2 number, since 2×12202010109882 (a number of 25 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3720124870 + ... + 3720125197.
It is an arithmetic number, because the mean of its divisors is an integer number (182286126666).
Almost surely, 21220201010988 is an apocalyptic number.
It is an amenable number.
1220201010988 is a deficient number, since it is larger than the sum of its proper divisors (967232509004).
1220201010988 is a wasteful number, since it uses less digits than its factorization.
1220201010988 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7440250112 (or 7440250110 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 34.
The spelling of 1220201010988 in words is "one trillion, two hundred twenty billion, two hundred one million, ten thousand, nine hundred eighty-eight".
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