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1022021210980 = 2257113677332467
BaseRepresentation
bin11101101111101010011…
…01100001001101100100
310121201000102012211221201
432313311031201031210
5113221044412222410
62101302101252244
7133560431646220
oct16676515411544
93551012184851
101022021210980
11364489369710
121460a8a04084
13754b76361b3
1437674d49780
151b8b9b8483a
hexedf5361364

1022021210980 has 192 divisors, whose sum is σ = 2687878029312. Its totient is φ = 317122076160.

The previous prime is 1022021210963. The next prime is 1022021210981. The reversal of 1022021210980 is 890121202201.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (1022021210981) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 414275707 + ... + 414278173.

It is an arithmetic number, because the mean of its divisors is an integer number (13999364736).

Almost surely, 21022021210980 is an apocalyptic number.

1022021210980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1022021210980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1343939014656).

1022021210980 is an abundant number, since it is smaller than the sum of its proper divisors (1665856818332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1022021210980 is a wasteful number, since it uses less digits than its factorization.

1022021210980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3594 (or 3592 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The spelling of 1022021210980 in words is "one trillion, twenty-two billion, twenty-one million, two hundred ten thousand, nine hundred eighty".