Search a number
-
+
2152002431 is a prime number
BaseRepresentation
bin1000000001000100…
…1111001101111111
312112222101001100202
42000101033031333
513401403034211
6553312514115
7104220501365
oct20021171577
95488331322
102152002431
11a04827307
1250084b93b
13283ac7827
14165b45635
15c8dda53b
hex8044f37f

2152002431 has 2 divisors, whose sum is σ = 2152002432. Its totient is φ = 2152002430.

The previous prime is 2152002389. The next prime is 2152002451. The reversal of 2152002431 is 1342002512.

2152002431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (2152002451) can be obtained adding 2152002431 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2152002431 - 210 = 2152001407 is a prime.

It is a super-2 number, since 2×21520024312 = 9262228926059819522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2152002451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076001215 + 1076001216.

It is an arithmetic number, because the mean of its divisors is an integer number (1076001216).

Almost surely, 22152002431 is an apocalyptic number.

2152002431 is a deficient number, since it is larger than the sum of its proper divisors (1).

2152002431 is an equidigital number, since it uses as much as digits as its factorization.

2152002431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2152002431 is about 46389.6802209284. The cubic root of 2152002431 is about 1291.0634483360.

Adding to 2152002431 its reverse (1342002512), we get a palindrome (3494004943).

The spelling of 2152002431 in words is "two billion, one hundred fifty-two million, two thousand, four hundred thirty-one".