Search a number
-
+
105946155943 is a prime number
BaseRepresentation
bin110001010101011100…
…0100000101110100111
3101010110120101100202121
41202222320200232213
53213434203442233
6120400533450411
710440305316055
oct1425270405647
9333416340677
10105946155943
1140a27930071
12186491a0a07
139cb56a5504
1451b0a551d5
152b5128892d
hex18aae20ba7

105946155943 has 2 divisors, whose sum is σ = 105946155944. Its totient is φ = 105946155942.

The previous prime is 105946155907. The next prime is 105946156031. The reversal of 105946155943 is 349551649501.

It is a weak prime.

It is an emirp because it is prime and its reverse (349551649501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 105946155943 - 217 = 105946024871 is a prime.

It is a super-2 number, since 2×1059461559432 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105946155043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52973077971 + 52973077972.

It is an arithmetic number, because the mean of its divisors is an integer number (52973077972).

Almost surely, 2105946155943 is an apocalyptic number.

105946155943 is a deficient number, since it is larger than the sum of its proper divisors (1).

105946155943 is an equidigital number, since it uses as much as digits as its factorization.

105946155943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916000, while the sum is 52.

The spelling of 105946155943 in words is "one hundred five billion, nine hundred forty-six million, one hundred fifty-five thousand, nine hundred forty-three".