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13122541430013 = 353397207888431
BaseRepresentation
bin1011111011110101010001…
…1010111010010011111101
31201110111120110211011100110
42332331110122322103331
53204444431101230023
643524225020420233
72523033544514631
oct276752432722375
951414513734313
1013122541430013
1141aa2695958a4
12157b2a06a7679
137425b1549612
143351c4ac4dc1
1517b5327eda93
hexbef546ba4fd

13122541430013 has 16 divisors (see below), whose sum is σ = 17871752722176. Its totient is φ = 8561677101120.

The previous prime is 13122541429931. The next prime is 13122541430027. The reversal of 13122541430013 is 31003414522131.

It is not a de Polignac number, because 13122541430013 - 238 = 12847663523069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13122541430083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103881093 + ... + 104007338.

It is an arithmetic number, because the mean of its divisors is an integer number (1116984545136).

Almost surely, 213122541430013 is an apocalyptic number.

It is an amenable number.

13122541430013 is a deficient number, since it is larger than the sum of its proper divisors (4749211292163).

13122541430013 is a wasteful number, since it uses less digits than its factorization.

13122541430013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207888884.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 13122541430013 its reverse (31003414522131), we get a palindrome (44125955952144).

The spelling of 13122541430013 in words is "thirteen trillion, one hundred twenty-two billion, five hundred forty-one million, four hundred thirty thousand, thirteen".

Divisors: 1 3 53 159 397 1191 21041 63123 207888431 623665293 11018086843 33054260529 82531707107 247595121321 4374180476671 13122541430013