Search a number
-
+
102431436572441 is a prime number
BaseRepresentation
bin10111010010100100101101…
…011001000000011100011001
3111102200100102221012002112102
4113102210231121000130121
5101411214040230304231
61001504204034453145
730401266326044114
oct2722445531003431
9442610387162472
10102431436572441
112a701a23621539
12b5a3a94a341b5
134520320bc58b2
141b419ca9c157b
15bc9723e8aacb
hex5d292d640719

102431436572441 has 2 divisors, whose sum is σ = 102431436572442. Its totient is φ = 102431436572440.

The previous prime is 102431436572371. The next prime is 102431436572467. The reversal of 102431436572441 is 144275634134201.

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., 74303900040841 + 28127536531600 = 8619971^2 + 5303540^2 .

It is a cyclic number.

It is not a de Polignac number, because 102431436572441 - 210 = 102431436571417 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (102431436572741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51215718286220 + 51215718286221.

It is an arithmetic number, because the mean of its divisors is an integer number (51215718286221).

Almost surely, 2102431436572441 is an apocalyptic number.

It is an amenable number.

102431436572441 is a deficient number, since it is larger than the sum of its proper divisors (1).

102431436572441 is an equidigital number, since it uses as much as digits as its factorization.

102431436572441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1935360, while the sum is 47.

The spelling of 102431436572441 in words is "one hundred two trillion, four hundred thirty-one billion, four hundred thirty-six million, five hundred seventy-two thousand, four hundred forty-one".