Search a number
-
+
13105323425045 = 514293461529961
BaseRepresentation
bin1011111010110101001000…
…1001011011110100010101
31201101212010112002212211202
42332231102021123310111
53204204200244100140
643512300311042245
72521554063056465
oct276552211336425
951355115085752
1013105323425045
1141a2a33466925
121577a96370385
13740a993368b7
14334430097ba5
1517ad75e12915
hexbeb5225bd15

13105323425045 has 16 divisors (see below), whose sum is σ = 15741970049520. Its totient is φ = 10473875059200.

The previous prime is 13105323424993. The next prime is 13105323425083. The reversal of 13105323425045 is 54052432350131.

It can be written as a sum of positive squares in 8 ways, for example, as 4336564683364 + 8768758741681 = 2082442^2 + 2961209^2 .

It is not a de Polignac number, because 13105323425045 - 228 = 13105054989589 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24463865 + ... + 24993825.

It is an arithmetic number, because the mean of its divisors is an integer number (983873128095).

Almost surely, 213105323425045 is an apocalyptic number.

It is an amenable number.

13105323425045 is a deficient number, since it is larger than the sum of its proper divisors (2636646624475).

13105323425045 is a wasteful number, since it uses less digits than its factorization.

13105323425045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534856.

The product of its (nonzero) digits is 216000, while the sum is 38.

Adding to 13105323425045 its reverse (54052432350131), we get a palindrome (67157755775176).

The spelling of 13105323425045 in words is "thirteen trillion, one hundred five billion, three hundred twenty-three million, four hundred twenty-five thousand, forty-five".

Divisors: 1 5 1429 3461 7145 17305 529961 2649805 4945769 24728845 757314269 1834195021 3786571345 9170975105 2621064685009 13105323425045