Search a number
-
+
6984890608259 is a prime number
BaseRepresentation
bin110010110100100101111…
…1011000110101010000011
3220201202020000222100102202
41211221023323012222003
51403420023443431014
622504451530503415
71320433046361344
oct145511373065203
926652200870382
106984890608259
11225330371a733
12949875894b6b
133b889822b045
141a20db6980cb
15c1a5decc3de
hex65a4bec6a83

6984890608259 has 2 divisors, whose sum is σ = 6984890608260. Its totient is φ = 6984890608258.

The previous prime is 6984890608243. The next prime is 6984890608337. The reversal of 6984890608259 is 9528060984896.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6984890608259 - 24 = 6984890608243 is a prime.

It is a super-2 number, since 2×69848906082592 (a number of 26 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (6984890208259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3492445304129 + 3492445304130.

It is an arithmetic number, because the mean of its divisors is an integer number (3492445304130).

Almost surely, 26984890608259 is an apocalyptic number.

6984890608259 is a deficient number, since it is larger than the sum of its proper divisors (1).

6984890608259 is an equidigital number, since it uses as much as digits as its factorization.

6984890608259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 537477120, while the sum is 74.

The spelling of 6984890608259 in words is "six trillion, nine hundred eighty-four billion, eight hundred ninety million, six hundred eight thousand, two hundred fifty-nine".