Search a number
-
+
2055117679 is a prime number
BaseRepresentation
bin111101001111110…
…1001101101101111
312022020001210110121
41322133221231233
513202102231204
6535532145411
7101633132506
oct17237515557
95266053417
102055117679
1196507336a
12494308267
13269a04c84
14156d2583d
15c064db54
hex7a7e9b6f

2055117679 has 2 divisors, whose sum is σ = 2055117680. Its totient is φ = 2055117678.

The previous prime is 2055117587. The next prime is 2055117703. The reversal of 2055117679 is 9767115502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2055117679 - 211 = 2055115631 is a prime.

It is a super-3 number, since 3×20551176793 (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2055117979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1027558839 + 1027558840.

It is an arithmetic number, because the mean of its divisors is an integer number (1027558840).

Almost surely, 22055117679 is an apocalyptic number.

2055117679 is a deficient number, since it is larger than the sum of its proper divisors (1).

2055117679 is an equidigital number, since it uses as much as digits as its factorization.

2055117679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 132300, while the sum is 43.

The square root of 2055117679 is about 45333.4057732264. The cubic root of 2055117679 is about 1271.3903138626.

The spelling of 2055117679 in words is "two billion, fifty-five million, one hundred seventeen thousand, six hundred seventy-nine".