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13123313032 = 233744335517
BaseRepresentation
bin11000011100011010…
…11101110110001000
31020212120211101010211
430032031131312020
5203334032004112
610010114050504
7643131214564
oct141615356610
936776741124
1013123313032
11562484a355
122662b79a34
131311ab88ab
148c6ca86a4
1551c1ae0a7
hex30e35dd88

13123313032 has 16 divisors (see below), whose sum is σ = 25271245260. Its totient is φ = 6384314304.

The previous prime is 13123313029. The next prime is 13123313041. The reversal of 13123313032 is 23031332131.

13123313032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9814072356 + 3309240676 = 99066^2 + 57526^2 .

It is a super-2 number, since 2×131233130322 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13123312994 and 13123313012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22167463 + ... + 22168054.

Almost surely, 213123313032 is an apocalyptic number.

It is an amenable number.

13123313032 is a deficient number, since it is larger than the sum of its proper divisors (12147932228).

13123313032 is a wasteful number, since it uses less digits than its factorization.

13123313032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44335560 (or 44335556 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 13123313032 its reverse (23031332131), we get a palindrome (36154645163).

The spelling of 13123313032 in words is "thirteen billion, one hundred twenty-three million, three hundred thirteen thousand, thirty-two".

Divisors: 1 2 4 8 37 74 148 296 44335517 88671034 177342068 354684136 1640414129 3280828258 6561656516 13123313032