Search a number
-
+
197259869953301 is a prime number
BaseRepresentation
bin101100110110100000100100…
…011110100001110100010101
3221212102212012111112012211112
4230312200210132201310111
5201323401203202001201
61535311533324544405
756356361316235301
oct5466404436416425
9855385174465745
10197259869953301
1157942494041921
121a15a34b3b2105
13860b6ab5a451c
14369d6002ccd01
1517c12addd50bb
hexb368247a1d15

197259869953301 has 2 divisors, whose sum is σ = 197259869953302. Its totient is φ = 197259869953300.

The previous prime is 197259869953259. The next prime is 197259869953313. The reversal of 197259869953301 is 103359968952791.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 149728138959025 + 47531730994276 = 12236345^2 + 6894326^2 .

It is a cyclic number.

It is not a de Polignac number, because 197259869953301 - 226 = 197259802844437 is a prime.

It is a super-2 number, since 2×1972598699533012 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (197259869953801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98629934976650 + 98629934976651.

It is an arithmetic number, because the mean of its divisors is an integer number (98629934976651).

Almost surely, 2197259869953301 is an apocalyptic number.

It is an amenable number.

197259869953301 is a deficient number, since it is larger than the sum of its proper divisors (1).

197259869953301 is an equidigital number, since it uses as much as digits as its factorization.

197259869953301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 992023200, while the sum is 77.

The spelling of 197259869953301 in words is "one hundred ninety-seven trillion, two hundred fifty-nine billion, eight hundred sixty-nine million, nine hundred fifty-three thousand, three hundred one".