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1123244680 = 23528081117
BaseRepresentation
bin100001011110011…
…0101101010001000
32220021120202000211
41002330311222020
54300022312210
6303243010504
736556264555
oct10274655210
92807522024
101123244680
11527051398
12274209a34
1314b92bc2c
14a926da2c
156892838a
hex42f35a88

1123244680 has 16 divisors (see below), whose sum is σ = 2527300620. Its totient is φ = 449297856.

The previous prime is 1123244627. The next prime is 1123244693. The reversal of 1123244680 is 864423211.

It can be written as a sum of positive squares in 2 ways, for example, as 1045487556 + 77757124 = 32334^2 + 8818^2 .

It is a super-2 number, since 2×11232446802 = 2523357222296604800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14040519 + ... + 14040598.

Almost surely, 21123244680 is an apocalyptic number.

1123244680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123244680 is an abundant number, since it is smaller than the sum of its proper divisors (1404055940).

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

1123244680 is a wasteful number, since it uses less digits than its factorization.

1123244680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28081128 (or 28081124 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 1123244680 is about 33514.8426820118. The cubic root of 1123244680 is about 1039.5007095466.

Adding to 1123244680 its reverse (864423211), we get a palindrome (1987667891).

The spelling of 1123244680 in words is "one billion, one hundred twenty-three million, two hundred forty-four thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 28081117 56162234 112324468 140405585 224648936 280811170 561622340 1123244680