Search a number
-
+
2137454747 is a prime number
BaseRepresentation
bin111111101100110…
…1111100010011011
312111221222221200122
41333121233202123
513334142022442
6552033023455
7103653031331
oct17731574233
95457887618
102137454747
119a75a042a
124b79b4b8b
13280aa302c
14163c39b51
15c79b4dd2
hex7f66f89b

2137454747 has 2 divisors, whose sum is σ = 2137454748. Its totient is φ = 2137454746.

The previous prime is 2137454741. The next prime is 2137454771. The reversal of 2137454747 is 7474547312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2137454747 - 28 = 2137454491 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2137454698 and 2137454707.

It is not a weakly prime, because it can be changed into another prime (2137454741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1068727373 + 1068727374.

It is an arithmetic number, because the mean of its divisors is an integer number (1068727374).

Almost surely, 22137454747 is an apocalyptic number.

2137454747 is a deficient number, since it is larger than the sum of its proper divisors (1).

2137454747 is an equidigital number, since it uses as much as digits as its factorization.

2137454747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 658560, while the sum is 44.

The square root of 2137454747 is about 46232.6156192790. The cubic root of 2137454747 is about 1288.1476422689.

The spelling of 2137454747 in words is "two billion, one hundred thirty-seven million, four hundred fifty-four thousand, seven hundred forty-seven".