Search a number
-
+
2312502649 is a prime number
BaseRepresentation
bin1000100111010101…
…1111110101111001
312222011101022021021
42021311133311321
514214000041044
61021244542441
7111206643142
oct21165376571
95864338237
102312502649
11a87390516
12546551a21
132ab131b82
1417d1a4ac9
15d8040e84
hex89d5fd79

2312502649 has 2 divisors, whose sum is σ = 2312502650. Its totient is φ = 2312502648.

The previous prime is 2312502631. The next prime is 2312502671. The reversal of 2312502649 is 9462052132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1954082025 + 358420624 = 44205^2 + 18932^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2312502649 is a prime.

It is not a weakly prime, because it can be changed into another prime (2312502149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156251324 + 1156251325.

It is an arithmetic number, because the mean of its divisors is an integer number (1156251325).

Almost surely, 22312502649 is an apocalyptic number.

It is an amenable number.

2312502649 is a deficient number, since it is larger than the sum of its proper divisors (1).

2312502649 is an equidigital number, since it uses as much as digits as its factorization.

2312502649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 2312502649 is about 48088.4876971609. The cubic root of 2312502649 is about 1322.3936231131.

The spelling of 2312502649 in words is "two billion, three hundred twelve million, five hundred two thousand, six hundred forty-nine".