Search a number
-
+
10196990191 is a prime number
BaseRepresentation
bin10010111111100100…
…11011100011101111
3222022122102202212101
421133302123203233
5131340412141231
64403500515531
7510455662243
oct113762334357
928278382771
1010196990191
114362a31723
121b86b4bba7
13c6675c80b
146ca3a0423
153ea320661
hex25fc9b8ef

10196990191 has 2 divisors, whose sum is σ = 10196990192. Its totient is φ = 10196990190.

The previous prime is 10196990183. The next prime is 10196990249. The reversal of 10196990191 is 19109969101.

It is a weak prime.

It is an emirp because it is prime and its reverse (19109969101) is a distict prime. It is also a bemirp because it and its reverse can be mirrored producing other two distinct primes, 16106696101 and 10169660161.

It is a cyclic number.

It is not a de Polignac number, because 10196990191 - 23 = 10196990183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10196900191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5098495095 + 5098495096.

It is an arithmetic number, because the mean of its divisors is an integer number (5098495096).

Almost surely, 210196990191 is an apocalyptic number.

10196990191 is a deficient number, since it is larger than the sum of its proper divisors (1).

10196990191 is an equidigital number, since it uses as much as digits as its factorization.

10196990191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39366, while the sum is 46.

The spelling of 10196990191 in words is "ten billion, one hundred ninety-six million, nine hundred ninety thousand, one hundred ninety-one".