Search a number
-
+
2131984037 is a prime number
BaseRepresentation
bin111111100010011…
…0111111010100101
312111120201000021202
41333010313322211
513331241442122
6551315452245
7103555364621
oct17704677245
95446630252
102131984037
119a44a4187
124b5bb7085
1327c908c21
14163214181
15c7283e92
hex7f137ea5

2131984037 has 2 divisors, whose sum is σ = 2131984038. Its totient is φ = 2131984036.

The previous prime is 2131984033. The next prime is 2131984069. The reversal of 2131984037 is 7304891312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1666762276 + 465221761 = 40826^2 + 21569^2 .

It is a cyclic number.

It is not a de Polignac number, because 2131984037 - 22 = 2131984033 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2131984031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065992018 + 1065992019.

It is an arithmetic number, because the mean of its divisors is an integer number (1065992019).

Almost surely, 22131984037 is an apocalyptic number.

It is an amenable number.

2131984037 is a deficient number, since it is larger than the sum of its proper divisors (1).

2131984037 is an equidigital number, since it uses as much as digits as its factorization.

2131984037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 2131984037 is about 46173.4126635665. The cubic root of 2131984037 is about 1287.0477198836.

The spelling of 2131984037 in words is "two billion, one hundred thirty-one million, nine hundred eighty-four thousand, thirty-seven".