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13103322312 = 2332412265443
BaseRepresentation
bin11000011010000010…
…01101010011001000
31020211012012202000210
430031001031103020
5203313422303222
610004121401120
7642466254603
oct141501152310
936735182023
1013103322312
115614535aa3
1226583391a0
13130a909772
148c438333a
1551a560d0c
hex30d04d4c8

13103322312 has 32 divisors (see below), whose sum is σ = 32894246880. Its totient is φ = 4349648640.

The previous prime is 13103322289. The next prime is 13103322313. The reversal of 13103322312 is 21322330131.

It is a super-2 number, since 2×131033223122 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13103322313) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1126938 + ... + 1138505.

It is an arithmetic number, because the mean of its divisors is an integer number (1027945215).

Almost surely, 213103322312 is an apocalyptic number.

13103322312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13103322312 is an abundant number, since it is smaller than the sum of its proper divisors (19790924568).

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

13103322312 is a wasteful number, since it uses less digits than its factorization.

13103322312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2265693 (or 2265689 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 13103322312 its reverse (21322330131), we get a palindrome (34425652443).

The spelling of 13103322312 in words is "thirteen billion, one hundred three million, three hundred twenty-two thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 241 482 723 964 1446 1928 2892 5784 2265443 4530886 6796329 9061772 13592658 18123544 27185316 54370632 545971763 1091943526 1637915289 2183887052 3275830578 4367774104 6551661156 13103322312