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13012003232 = 25406625101
BaseRepresentation
bin11000001111001001…
…10110100110100000
31020120211101020210122
430013210312212200
5203122033100412
65551100215412
7640310126324
oct140744664640
936524336718
1013012003232
115577a33688
12263183a568
1312c4a152c7
148b61b1984
15512523572
hex3079369a0

13012003232 has 12 divisors (see below), whose sum is σ = 25617381426. Its totient is φ = 6506001600.

The previous prime is 13012003219. The next prime is 13012003237. The reversal of 13012003232 is 23230021031.

It can be written as a sum of positive squares in only one way, i.e., 11767042576 + 1244960656 = 108476^2 + 35284^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13012003232.

It is not an unprimeable number, because it can be changed into a prime (13012003237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203312519 + ... + 203312582.

Almost surely, 213012003232 is an apocalyptic number.

It is an amenable number.

13012003232 is a deficient number, since it is larger than the sum of its proper divisors (12605378194).

13012003232 is an equidigital number, since it uses as much as digits as its factorization.

13012003232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406625111 (or 406625103 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 13012003232 its reverse (23230021031), we get a palindrome (36242024263).

The spelling of 13012003232 in words is "thirteen billion, twelve million, three thousand, two hundred thirty-two".

Divisors: 1 2 4 8 16 32 406625101 813250202 1626500404 3253000808 6506001616 13012003232