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1123031330 = 25389288697
BaseRepresentation
bin100001011110000…
…0001100100100010
32220021011220100222
41002330001210202
54244444000310
6303234243042
736554415551
oct10274014442
92807156328
101123031330
11526a16073
12274126482
1314b885aa5
14a9215d98
15688d5055
hex42f01922

1123031330 has 16 divisors (see below), whose sum is σ = 2026659960. Its totient is φ = 448056192.

The previous prime is 1123031323. The next prime is 1123031443. The reversal of 1123031330 is 331303211.

It can be written as a sum of positive squares in 4 ways, for example, as 601868089 + 521163241 = 24533^2 + 22829^2 .

It is a super-2 number, since 2×11230313302 = 2522398736323137800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1123031299 and 1123031308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140459 + ... + 148238.

Almost surely, 21123031330 is an apocalyptic number.

1123031330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1123031330 is a deficient number, since it is larger than the sum of its proper divisors (903628630).

1123031330 is a wasteful number, since it uses less digits than its factorization.

1123031330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289093.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 1123031330 is about 33511.6596127378. The cubic root of 1123031330 is about 1039.4348908449.

Adding to 1123031330 its reverse (331303211), we get a palindrome (1454334541).

The spelling of 1123031330 in words is "one billion, one hundred twenty-three million, thirty-one thousand, three hundred thirty".

Divisors: 1 2 5 10 389 778 1945 3890 288697 577394 1443485 2886970 112303133 224606266 561515665 1123031330