Search a number
-
+
1112120140 = 22555606007
BaseRepresentation
bin100001001001001…
…1001101101001100
32212111122120000211
41002102121231030
54234200321030
6302204332204
736362602525
oct10222315514
92774576024
101112120140
1152084335a
12270544064
13149535571
14a79b584c
156797c12a
hex42499b4c

1112120140 has 12 divisors (see below), whose sum is σ = 2335452336. Its totient is φ = 444848048.

The previous prime is 1112120129. The next prime is 1112120153. The reversal of 1112120140 is 410212111.

It is a super-2 number, since 2×11121201402 = 2473622411587239200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1112120140.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27802984 + ... + 27803023.

It is an arithmetic number, because the mean of its divisors is an integer number (194621028).

Almost surely, 21112120140 is an apocalyptic number.

1112120140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112120140 is an abundant number, since it is smaller than the sum of its proper divisors (1223332196).

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

1112120140 is a wasteful number, since it uses less digits than its factorization.

1112120140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55606016 (or 55606014 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1112120140 is about 33348.4653320059. The cubic root of 1112120140 is about 1036.0576025276.

Adding to 1112120140 its reverse (410212111), we get a palindrome (1522332251).

The spelling of 1112120140 in words is "one billion, one hundred twelve million, one hundred twenty thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 55606007 111212014 222424028 278030035 556060070 1112120140