Search a number
-
+
1211001022068 = 223591710453421
BaseRepresentation
bin10001100111110101010…
…010010010011001110100
311021202210202001221020020
4101213311102102121310
5124320112230201233
62324154242405140
7153330506563455
oct21476522223164
94252722057206
101211001022068
11427645562872
121768499607b0
138a2737ac616
14428815c312c
152177a8cc9b3
hex119f5492674

1211001022068 has 24 divisors (see below), whose sum is σ = 2873561748960. Its totient is φ = 396825193440.

The previous prime is 1211001022067. The next prime is 1211001022109. The reversal of 1211001022068 is 8602201001121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211001022067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 855226003 + ... + 855227418.

It is an arithmetic number, because the mean of its divisors is an integer number (119731739540).

Almost surely, 21211001022068 is an apocalyptic number.

It is an amenable number.

1211001022068 is an abundant number, since it is smaller than the sum of its proper divisors (1662560726892).

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

1211001022068 is a wasteful number, since it uses less digits than its factorization.

1211001022068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1710453487 (or 1710453485 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 24.

Adding to 1211001022068 its reverse (8602201001121), we get a palindrome (9813202023189).

The spelling of 1211001022068 in words is "one trillion, two hundred eleven billion, one million, twenty-two thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 59 118 177 236 354 708 1710453421 3420906842 5131360263 6841813684 10262720526 20525441052 100916751839 201833503678 302750255517 403667007356 605500511034 1211001022068