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1021103102000 = 24532789183059
BaseRepresentation
bin11101101101111100111…
…11001101100000110000
310121121122102122002012102
432312332133031200300
5113212204343231000
62101031023115532
7133525613105522
oct16667637154060
93547572562172
101021103102000
11364058098863
12145a91442ba8
137539c36c047
14375c9037a12
151b86427c3d5
hexedbe7cd830

1021103102000 has 80 divisors (see below), whose sum is σ = 2469926066400. Its totient is φ = 408292563200.

The previous prime is 1021103101979. The next prime is 1021103102011. The reversal of 1021103102000 is 2013011201.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5486471 + ... + 5669529.

It is an arithmetic number, because the mean of its divisors is an integer number (30874075830).

Almost surely, 21021103102000 is an apocalyptic number.

1021103102000 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 1021103102000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1234963033200).

1021103102000 is an abundant number, since it is smaller than the sum of its proper divisors (1448822964400).

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

1021103102000 is a wasteful number, since it uses less digits than its factorization.

1021103102000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185871 (or 185855 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 1021103102000 its reverse (2013011201), we get a palindrome (1023116113201).

The spelling of 1021103102000 in words is "one trillion, twenty-one billion, one hundred three million, one hundred two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 1000 2000 2789 5578 11156 13945 22312 27890 44624 55780 69725 111560 139450 183059 223120 278900 348625 366118 557800 697250 732236 915295 1115600 1394500 1464472 1830590 2789000 2928944 3661180 4576475 5578000 7322360 9152950 14644720 18305900 22882375 36611800 45764750 73223600 91529500 183059000 366118000 510551551 1021103102 2042206204 2552757755 4084412408 5105515510 8168824816 10211031020 12763788775 20422062040 25527577550 40844124080 51055155100 63818943875 102110310200 127637887750 204220620400 255275775500 510551551000 1021103102000