Search a number
-
+
197250255457369 is a prime number
BaseRepresentation
bin101100110110010111100111…
…011010001000110001011001
3221212101221101110011012212121
4230312113213122020301121
5201323222010344113434
61535303303312541241
756355601132332022
oct5466274732106131
9855357343135777
10197250255457369
11579393aa9a1814
121a158507551821
13860a80872158a
14369cd6b439c49
1517c0de9cc57b4
hexb365e7688c59

197250255457369 has 2 divisors, whose sum is σ = 197250255457370. Its totient is φ = 197250255457368.

The previous prime is 197250255457363. The next prime is 197250255457373. The reversal of 197250255457369 is 963754552052791.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 168282824477769 + 28967430979600 = 12972387^2 + 5382140^2 .

It is a cyclic number.

It is not a de Polignac number, because 197250255457369 - 23 = 197250255457361 is a prime.

It is a super-2 number, since 2×1972502554573692 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 197250255457298 and 197250255457307.

It is not a weakly prime, because it can be changed into another prime (197250255457361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98625127728684 + 98625127728685.

It is an arithmetic number, because the mean of its divisors is an integer number (98625127728685).

Almost surely, 2197250255457369 is an apocalyptic number.

It is an amenable number.

197250255457369 is a deficient number, since it is larger than the sum of its proper divisors (1).

197250255457369 is an equidigital number, since it uses as much as digits as its factorization.

197250255457369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 714420000, while the sum is 70.

The spelling of 197250255457369 in words is "one hundred ninety-seven trillion, two hundred fifty billion, two hundred fifty-five million, four hundred fifty-seven thousand, three hundred sixty-nine".