Search a number
-
+
1081023056061 = 3131719237592069
BaseRepresentation
bin11111011101100011111…
…11101100100010111101
310211100022100121010120020
433232301333230202331
5120202413400243221
62144340511442353
7141046521236244
oct17566177544275
93740270533506
101081023056061
11387506373153
121556145263b9
137ac2b350c70
143a47101195b
151d1be96cac6
hexfbb1fec8bd

1081023056061 has 192 divisors, whose sum is σ = 1812552940800. Its totient is φ = 567072202752.

The previous prime is 1081023056039. The next prime is 1081023056063. The reversal of 1081023056061 is 1606503201801.

It is not a de Polignac number, because 1081023056061 - 210 = 1081023055037 is a prime.

It is a super-2 number, since 2×10810230560612 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081023056063) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 522484735 + ... + 522486803.

It is an arithmetic number, because the mean of its divisors is an integer number (9440379900).

Almost surely, 21081023056061 is an apocalyptic number.

It is an amenable number.

1081023056061 is a deficient number, since it is larger than the sum of its proper divisors (731529884739).

1081023056061 is a wasteful number, since it uses less digits than its factorization.

1081023056061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2236 (or 2217 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

Adding to 1081023056061 its reverse (1606503201801), we get a palindrome (2687526257862).

The spelling of 1081023056061 in words is "one trillion, eighty-one billion, twenty-three million, fifty-six thousand, sixty-one".