Search a number
-
+
7953431795993 is a prime number
BaseRepresentation
bin111001110111100110101…
…1110100001100100011001
31001011100012100002112022202
41303233031132201210121
52020302112014432433
624525431153455545
71450421311546505
oct163571536414431
931140170075282
107953431795993
1125970389a3322
12a855182715b5
1345900bb30868
141d6d3ba35305
15dbd48a08ee8
hex73bcd7a1919

7953431795993 has 2 divisors, whose sum is σ = 7953431795994. Its totient is φ = 7953431795992.

The previous prime is 7953431795923. The next prime is 7953431796049. The reversal of 7953431795993 is 3995971343597.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7899455496409 + 53976299584 = 2810597^2 + 232328^2 .

It is a cyclic number.

It is not a de Polignac number, because 7953431795993 - 234 = 7936251926809 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7953431795993.

It is not a weakly prime, because it can be changed into another prime (7953431795923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3976715897996 + 3976715897997.

It is an arithmetic number, because the mean of its divisors is an integer number (3976715897997).

Almost surely, 27953431795993 is an apocalyptic number.

It is an amenable number.

7953431795993 is a deficient number, since it is larger than the sum of its proper divisors (1).

7953431795993 is an equidigital number, since it uses as much as digits as its factorization.

7953431795993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 868020300, while the sum is 74.

The spelling of 7953431795993 in words is "seven trillion, nine hundred fifty-three billion, four hundred thirty-one million, seven hundred ninety-five thousand, nine hundred ninety-three".