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1220201010988 = 22417440250067
BaseRepresentation
bin10001110000011001101…
…001011101011100101100
311022122112220110210110121
4101300121221131130230
5124442432424322423
62332315210214324
7154104501314551
oct21603151353454
94278486423417
101220201010988
114305367296a3
12178596a243a4
138b0ab811b4b
14430b53b6a28
1521b1841045d
hex11c19a5d72c

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".

Divisors: 1 2 4 41 82 164 7440250067 14880500134 29761000268 305050252747 610100505494 1220201010988