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13131301203212 = 2265332591542589
BaseRepresentation
bin1011111100010101111010…
…0010110010110100001100
31201111100011221212202010212
42333011132202302310030
53210120401102000322
643532234141021552
72523463612410203
oct277053642626414
951440157782125
1013131301203212
114202a54219085
121580b262548b8
137433792c977a
143357b624623a
1517b8968770e2
hexbf15e8b2d0c

13131301203212 has 24 divisors (see below), whose sum is σ = 23022045085200. Its totient is φ = 6553580222016.

The previous prime is 13131301203151. The next prime is 13131301203217. The reversal of 13131301203212 is 21230210313131.

It is not an unprimeable number, because it can be changed into a prime (13131301203217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7741214 + ... + 9283802.

It is an arithmetic number, because the mean of its divisors is an integer number (959251878550).

Almost surely, 213131301203212 is an apocalyptic number.

It is an amenable number.

13131301203212 is a deficient number, since it is larger than the sum of its proper divisors (9890743881988).

13131301203212 is a wasteful number, since it uses less digits than its factorization.

13131301203212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546505 (or 1546503 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 13131301203212 its reverse (21230210313131), we get a palindrome (34361511516343).

The spelling of 13131301203212 in words is "thirteen trillion, one hundred thirty-one billion, three hundred one million, two hundred three thousand, two hundred twelve".

Divisors: 1 2 4 653 1306 2612 3259 6518 13036 1542589 2128127 3085178 4256254 6170356 8512508 1007310617 2014621234 4029242468 5027297551 10054595102 20109190204 3282825300803 6565650601606 13131301203212