Search a number
-
+
10109879947 is a prime number
BaseRepresentation
bin10010110101001100…
…01000011010001011
3222002120112010002001
421122212020122023
5131201112124242
64351105451431
7505350363436
oct113246103213
928076463061
1010109879947
114318844492
121b61940b77
13c516accab
146bc9a681d
153e2864eb7
hex25a98868b

10109879947 has 2 divisors, whose sum is σ = 10109879948. Its totient is φ = 10109879946.

The previous prime is 10109879939. The next prime is 10109879951. The reversal of 10109879947 is 74997890101.

It is a strong prime.

It is an emirp because it is prime and its reverse (74997890101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10109879947 - 23 = 10109879939 is a prime.

It is a super-3 number, since 3×101098799473 (a number of 31 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (10109079947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5054939973 + 5054939974.

It is an arithmetic number, because the mean of its divisors is an integer number (5054939974).

Almost surely, 210109879947 is an apocalyptic number.

10109879947 is a deficient number, since it is larger than the sum of its proper divisors (1).

10109879947 is an equidigital number, since it uses as much as digits as its factorization.

10109879947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1143072, while the sum is 55.

The spelling of 10109879947 in words is "ten billion, one hundred nine million, eight hundred seventy-nine thousand, nine hundred forty-seven".