Search a number
-
+
13123412443052 = 2216266192016977
BaseRepresentation
bin1011111011111000100001…
…0101100011111110101100
31201110120211011210012121122
42332332020111203332230
53210003222041134202
643524451253320112
72523064252144352
oct276761025437654
951416734705548
1013123412443052
1141aa67621988a
12157b4a4336038
137426bcb34152
143352686577d2
1517b5840019a2
hexbef88563fac

13123412443052 has 12 divisors (see below), whose sum is σ = 22965997280520. Its totient is φ = 6561698934336.

The previous prime is 13123412443051. The next prime is 13123412443081. The reversal of 13123412443052 is 25034421432131.

It is not an unprimeable number, because it can be changed into a prime (13123412443051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5497988 + ... + 7514964.

It is an arithmetic number, because the mean of its divisors is an integer number (1913833106710).

Almost surely, 213123412443052 is an apocalyptic number.

It is an amenable number.

13123412443052 is a deficient number, since it is larger than the sum of its proper divisors (9842584837468).

13123412443052 is a wasteful number, since it uses less digits than its factorization.

13123412443052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3643600 (or 3643598 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 13123412443052 its reverse (25034421432131), we get a palindrome (38157833875183).

The spelling of 13123412443052 in words is "thirteen trillion, one hundred twenty-three billion, four hundred twelve million, four hundred forty-three thousand, fifty-two".

Divisors: 1 2 4 1626619 2016977 3253238 4033954 6506476 8067908 3280853110763 6561706221526 13123412443052