Search a number
-
+
19700572689293 is a prime number
BaseRepresentation
bin1000111101010111001011…
…01000110001001110001101
32120202100121210011002221012
410132223211220301032031
510040233233102024133
6105522152415415005
74102214361620306
oct436534550611615
976670553132835
1019700572689293
116305a69765781
122262129b24465
13acb9aa00ab42
144c17271d37ad
152426ccaecb48
hex11eae5a3138d

19700572689293 has 2 divisors, whose sum is σ = 19700572689294. Its totient is φ = 19700572689292.

The previous prime is 19700572689223. The next prime is 19700572689307. The reversal of 19700572689293 is 39298627500791.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16117358417449 + 3583214271844 = 4014643^2 + 1892938^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-19700572689293 is a prime.

It is a super-2 number, since 2×197005726892932 (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19700572689223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9850286344646 + 9850286344647.

It is an arithmetic number, because the mean of its divisors is an integer number (9850286344647).

Almost surely, 219700572689293 is an apocalyptic number.

It is an amenable number.

19700572689293 is a deficient number, since it is larger than the sum of its proper divisors (1).

19700572689293 is an equidigital number, since it uses as much as digits as its factorization.

19700572689293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 102876480, while the sum is 68.

The spelling of 19700572689293 in words is "nineteen trillion, seven hundred billion, five hundred seventy-two million, six hundred eighty-nine thousand, two hundred ninety-three".