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1022120211018 = 23809210572767
BaseRepresentation
bin11101101111110110001…
…11001011001001001010
310121201021022111120110210
432313323013023021022
5113221300233223033
62101315555221550
7133563043305114
oct16677307131112
93551238446423
101022120211018
1136452a237925
12146115ba78b6
1375501cb97ba
143768415a3b4
151b8c36dcd63
hexedfb1cb24a

1022120211018 has 16 divisors (see below), whose sum is σ = 2046767304960. Its totient is φ = 340285589856.

The previous prime is 1022120210927. The next prime is 1022120211019. The reversal of 1022120211018 is 8101120212201.

It is a junction number, because it is equal to n+sod(n) for n = 1022120210985 and 1022120211003.

It is not an unprimeable number, because it can be changed into a prime (1022120211019) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 105281530 + ... + 105291237.

It is an arithmetic number, because the mean of its divisors is an integer number (127922956560).

Almost surely, 21022120211018 is an apocalyptic number.

1022120211018 is an abundant number, since it is smaller than the sum of its proper divisors (1024647093942).

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

1022120211018 is a wasteful number, since it uses less digits than its factorization.

1022120211018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210573581.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 1022120211018 its reverse (8101120212201), we get a palindrome (9123240423219).

The spelling of 1022120211018 in words is "one trillion, twenty-two billion, one hundred twenty million, two hundred eleven thousand, eighteen".

Divisors: 1 2 3 6 809 1618 2427 4854 210572767 421145534 631718301 1263436602 170353368503 340706737006 511060105509 1022120211018