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13121131223333 = 74145718227259
BaseRepresentation
bin1011111011110000000001…
…0111011001100100100101
31201110100221012021020110102
42332330000113121210211
53204434034043121313
643523433043033445
72522653602122120
oct276740027314445
951410835236412
1013121131223333
1141a9705565731
12157ab6836b885
137424183361b3
143350cd6b73b7
1517b49dadea58
hexbef005d9925

13121131223333 has 8 divisors (see below), whose sum is σ = 15361324359360. Its totient is φ = 10972374541920.

The previous prime is 13121131223309. The next prime is 13121131223339. The reversal of 13121131223333 is 33332213112131.

13121131223333 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 13121131223333 - 214 = 13121131206949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13121131223296 and 13121131223305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13121131223339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22859113343 + ... + 22859113916.

It is an arithmetic number, because the mean of its divisors is an integer number (1920165544920).

Almost surely, 213121131223333 is an apocalyptic number.

It is an amenable number.

13121131223333 is a deficient number, since it is larger than the sum of its proper divisors (2240193136027).

13121131223333 is an equidigital number, since it uses as much as digits as its factorization.

13121131223333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45718227307.

The product of its digits is 5832, while the sum is 29.

Adding to 13121131223333 its reverse (33332213112131), we get a palindrome (46453344335464).

The spelling of 13121131223333 in words is "thirteen trillion, one hundred twenty-one billion, one hundred thirty-one million, two hundred twenty-three thousand, three hundred thirty-three".

Divisors: 1 7 41 287 45718227259 320027590813 1874447317619 13121131223333