Search a number
-
+
11242799777 = 11832891667
BaseRepresentation
bin10100111100001111…
…11000001010100001
31002000112022101220202
422132013320022201
5141011124043102
65055340114545
7545415135626
oct123607701241
932015271822
1011242799777
11484a2a3970
122219235a55
1310a2318961
1478923434d
1545c04ee02
hex29e1f82a1

11242799777 has 24 divisors (see below), whose sum is σ = 12561441120. Its totient is φ = 9978140480.

The previous prime is 11242799713. The next prime is 11242799783. The reversal of 11242799777 is 77799724211.

It is not a de Polignac number, because 11242799777 - 26 = 11242799713 is a prime.

It is a super-2 number, since 2×112427997772 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11242799797) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6743498 + ... + 6745164.

It is an arithmetic number, because the mean of its divisors is an integer number (523393380).

Almost surely, 211242799777 is an apocalyptic number.

It is an amenable number.

11242799777 is a deficient number, since it is larger than the sum of its proper divisors (1318641343).

11242799777 is an equidigital number, since it uses as much as digits as its factorization.

11242799777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1933 (or 1850 counting only the distinct ones).

The product of its digits is 3111696, while the sum is 56.

The spelling of 11242799777 in words is "eleven billion, two hundred forty-two million, seven hundred ninety-nine thousand, seven hundred seventy-seven".

Divisors: 1 11 83 89 913 979 1667 6889 7387 18337 75779 81257 138361 148363 613121 1521971 1631993 6744331 11483963 12314129 126323593 135455419 1022072707 11242799777