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13122420220402 = 27395188723751
BaseRepresentation
bin1011111011110100110100…
…1100100010000111110010
31201110111021000202002000121
42332331031030202013302
53204444204034023102
643524205010440454
72523030543325063
oct276751514420762
951414230662017
1013122420220402
1141aa207128269
12157b267b9312a
137425923bac5c
143351b297256a
1517b526d59b37
hexbef4d3221f2

13122420220402 has 8 divisors (see below), whose sum is σ = 19683896723712. Its totient is φ = 6561121312500.

The previous prime is 13122420220367. The next prime is 13122420220423. The reversal of 13122420220402 is 20402202422131.

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

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, 44213974 + ... + 44509777.

It is an arithmetic number, because the mean of its divisors is an integer number (2460487090464).

Almost surely, 213122420220402 is an apocalyptic number.

13122420220402 is a deficient number, since it is larger than the sum of its proper divisors (6561476503310).

13122420220402 is an equidigital number, since it uses as much as digits as its factorization.

13122420220402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88797704.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 13122420220402 its reverse (20402202422131), we get a palindrome (33524622642533).

The spelling of 13122420220402 in words is "thirteen trillion, one hundred twenty-two billion, four hundred twenty million, two hundred twenty thousand, four hundred two".

Divisors: 1 2 73951 147902 88723751 177447502 6561210110201 13122420220402