Search a number
-
+
285976695253 is a prime number
BaseRepresentation
bin1000010100101011000…
…10100001000111010101
31000100011012121100001211
410022111202201013111
514141140013222003
6335213105021421
726442524542054
oct4122542410725
91010135540054
10285976695253
11100311430947
1247511024871
1320c76750352
14dbac92039b
15768b4c596d
hex42958a11d5

285976695253 has 2 divisors, whose sum is σ = 285976695254. Its totient is φ = 285976695252.

The previous prime is 285976695233. The next prime is 285976695271. The reversal of 285976695253 is 352596679582.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 282659165649 + 3317529604 = 531657^2 + 57598^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-285976695253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (285976695233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142988347626 + 142988347627.

It is an arithmetic number, because the mean of its divisors is an integer number (142988347627).

Almost surely, 2285976695253 is an apocalyptic number.

It is an amenable number.

285976695253 is a deficient number, since it is larger than the sum of its proper divisors (1).

285976695253 is an equidigital number, since it uses as much as digits as its factorization.

285976695253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 244944000, while the sum is 67.

The spelling of 285976695253 in words is "two hundred eighty-five billion, nine hundred seventy-six million, six hundred ninety-five thousand, two hundred fifty-three".