Search a number
-
+
126700115089 is a prime number
BaseRepresentation
bin111010111111111101…
…0100101010010010001
3110010000221121201112011
41311333322211102101
54033440212140324
6134112155102521
712103514131432
oct1657772452221
9403027551464
10126700115089
1149807a03819
122067b741a41
13bc42332a02
1461bd11d489
1534682d4c94
hex1d7fea5491

126700115089 has 2 divisors, whose sum is σ = 126700115090. Its totient is φ = 126700115088.

The previous prime is 126700115051. The next prime is 126700115117. The reversal of 126700115089 is 980511007621.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125741160000 + 958955089 = 354600^2 + 30967^2 .

It is an emirp because it is prime and its reverse (980511007621) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-126700115089 is a prime.

It is not a weakly prime, because it can be changed into another prime (126700112089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63350057544 + 63350057545.

It is an arithmetic number, because the mean of its divisors is an integer number (63350057545).

Almost surely, 2126700115089 is an apocalyptic number.

It is an amenable number.

126700115089 is a deficient number, since it is larger than the sum of its proper divisors (1).

126700115089 is an equidigital number, since it uses as much as digits as its factorization.

126700115089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 40.

The spelling of 126700115089 in words is "one hundred twenty-six billion, seven hundred million, one hundred fifteen thousand, eighty-nine".