Search a number
-
+
274905190631 is a prime number
BaseRepresentation
bin1000000000000011010…
…00000101000011100111
3222021120121121121221002
410000001220011003213
514001001212100011
6330142324143515
725601256364661
oct4000150050347
9867517547832
10274905190631
11a664a8a4625
1245341237b9b
131cc00a7b396
14d43c359531
15723e50ec3b
hex4001a050e7

274905190631 has 2 divisors, whose sum is σ = 274905190632. Its totient is φ = 274905190630.

The previous prime is 274905190619. The next prime is 274905190643. The reversal of 274905190631 is 136091509472.

It is a balanced prime because it is at equal distance from previous prime (274905190619) and next prime (274905190643).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-274905190631 is a prime.

It is a super-2 number, since 2×2749051906312 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (274905190601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137452595315 + 137452595316.

It is an arithmetic number, because the mean of its divisors is an integer number (137452595316).

Almost surely, 2274905190631 is an apocalyptic number.

274905190631 is a deficient number, since it is larger than the sum of its proper divisors (1).

274905190631 is an equidigital number, since it uses as much as digits as its factorization.

274905190631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408240, while the sum is 47.

The spelling of 274905190631 in words is "two hundred seventy-four billion, nine hundred five million, one hundred ninety thousand, six hundred thirty-one".