Search a number
-
+
254136425771 is a prime number
BaseRepresentation
bin1110110010101110110…
…1100001110100101011
3220021222012112001112202
43230223231201310223
513130432411111041
6312425413330415
724234510656054
oct3545355416453
9807865461482
10254136425771
1198862429148
1241305936a0b
131ac71038ac7
14c42bd1972b
15692603ba9b
hex3b2bb61d2b

254136425771 has 2 divisors, whose sum is σ = 254136425772. Its totient is φ = 254136425770.

The previous prime is 254136425677. The next prime is 254136425801. The reversal of 254136425771 is 177524631452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 254136425771 - 210 = 254136424747 is a prime.

It is not a weakly prime, because it can be changed into another prime (254136425471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127068212885 + 127068212886.

It is an arithmetic number, because the mean of its divisors is an integer number (127068212886).

Almost surely, 2254136425771 is an apocalyptic number.

254136425771 is a deficient number, since it is larger than the sum of its proper divisors (1).

254136425771 is an equidigital number, since it uses as much as digits as its factorization.

254136425771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1411200, while the sum is 47.

The spelling of 254136425771 in words is "two hundred fifty-four billion, one hundred thirty-six million, four hundred twenty-five thousand, seven hundred seventy-one".