Search a number
-
+
11800470431 is a prime number
BaseRepresentation
bin10101111110101110…
…01110001110011111
31010110101200000020102
422333113032032133
5143131410023211
65230541011315
7565266225611
oct127727161637
933411600212
1011800470431
115006070102
122353b53b3b
131160a136a9
147dd31cdb1
15490eaaa3b
hex2bf5ce39f

11800470431 has 2 divisors, whose sum is σ = 11800470432. Its totient is φ = 11800470430.

The previous prime is 11800470427. The next prime is 11800470463. The reversal of 11800470431 is 13407400811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11800470431 - 22 = 11800470427 is a prime.

It is a super-2 number, since 2×118004704312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11800470394 and 11800470403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11800470401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5900235215 + 5900235216.

It is an arithmetic number, because the mean of its divisors is an integer number (5900235216).

Almost surely, 211800470431 is an apocalyptic number.

11800470431 is a deficient number, since it is larger than the sum of its proper divisors (1).

11800470431 is an equidigital number, since it uses as much as digits as its factorization.

11800470431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 29.

The spelling of 11800470431 in words is "eleven billion, eight hundred million, four hundred seventy thousand, four hundred thirty-one".