Search a number
-
+
53734643731 is a prime number
BaseRepresentation
bin110010000010110101…
…011001100000010011
312010200212012201201001
4302002311121200103
51340022032044411
640404011522431
73611410635616
oct620265314023
9163625181631
1053734643731
112087489517a
12a4b7759417
1350b47031a2
14285a72c17d
1515e76a0dc1
hexc82d59813

53734643731 has 2 divisors, whose sum is σ = 53734643732. Its totient is φ = 53734643730.

The previous prime is 53734643713. The next prime is 53734643777. The reversal of 53734643731 is 13734643735.

Together with previous prime (53734643713) it forms an Ormiston pair, because they use the same digits, order apart.

It is an a-pointer prime, because the next prime (53734643777) can be obtained adding 53734643731 to its sum of digits (46).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53734643731 - 229 = 53197772819 is a prime.

It is a super-2 number, since 2×537346437312 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53734643701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26867321865 + 26867321866.

It is an arithmetic number, because the mean of its divisors is an integer number (26867321866).

Almost surely, 253734643731 is an apocalyptic number.

53734643731 is a deficient number, since it is larger than the sum of its proper divisors (1).

53734643731 is an equidigital number, since it uses as much as digits as its factorization.

53734643731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1905120, while the sum is 46.

The spelling of 53734643731 in words is "fifty-three billion, seven hundred thirty-four million, six hundred forty-three thousand, seven hundred thirty-one".