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1122311140 = 22556115557
BaseRepresentation
bin100001011100101…
…0001101111100100
32220012211022110021
41002321101233210
54244302424030
6303211004524
736545326066
oct10271215744
92805738407
101122311140
11526573a75
12273a39744
1314b693042
14a90a9736
15687e197a
hex42e51be4

1122311140 has 12 divisors (see below), whose sum is σ = 2356853436. Its totient is φ = 448924448.

The previous prime is 1122311131. The next prime is 1122311147. The reversal of 1122311140 is 411132211.

It can be written as a sum of positive squares in 2 ways, for example, as 295633636 + 826677504 = 17194^2 + 28752^2 .

It is not an unprimeable number, because it can be changed into a prime (1122311147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28057759 + ... + 28057798.

It is an arithmetic number, because the mean of its divisors is an integer number (196404453).

Almost surely, 21122311140 is an apocalyptic number.

1122311140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122311140 is an abundant number, since it is smaller than the sum of its proper divisors (1234542296).

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

1122311140 is a wasteful number, since it uses less digits than its factorization.

1122311140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56115566 (or 56115564 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1122311140 is about 33500.9125248850. The cubic root of 1122311140 is about 1039.2126498820.

Adding to 1122311140 its reverse (411132211), we get a palindrome (1533443351).

The spelling of 1122311140 in words is "one billion, one hundred twenty-two million, three hundred eleven thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 56115557 112231114 224462228 280577785 561155570 1122311140