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13212031322 = 27943716523
BaseRepresentation
bin11000100110111111…
…11001100101011010
31021002202202201202102
430103133321211122
5204024240000242
610023003403402
7645256261520
oct142337714532
937082681672
1013212031322
11566a935756
122688823562
1313272ac319
148d49a0310
15524d85e32
hex3137f995a

13212031322 has 8 divisors (see below), whose sum is σ = 22649196576. Its totient is φ = 5662299132.

The previous prime is 13212031249. The next prime is 13212031411. The reversal of 13212031322 is 22313021231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 13212031294 and 13212031303.

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, 471858248 + ... + 471858275.

It is an arithmetic number, because the mean of its divisors is an integer number (2831149572).

Almost surely, 213212031322 is an apocalyptic number.

13212031322 is a deficient number, since it is larger than the sum of its proper divisors (9437165254).

13212031322 is an equidigital number, since it uses as much as digits as its factorization.

13212031322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943716532.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 13212031322 its reverse (22313021231), we get a palindrome (35525052553).

The spelling of 13212031322 in words is "thirteen billion, two hundred twelve million, thirty-one thousand, three hundred twenty-two".

Divisors: 1 2 7 14 943716523 1887433046 6606015661 13212031322