Search a number
-
+
103212313489 is a prime number
BaseRepresentation
bin110000000011111101…
…1101110101110010001
3100212102001011202221101
41200013323232232101
53142334323012424
6115225354024401
710312461121645
oct1400773565621
9325361152841
10103212313489
113a85472983a
1218005718101
13996b19cb5c
144dd1932c25
152a4126b344
hex1807eeeb91

103212313489 has 2 divisors, whose sum is σ = 103212313490. Its totient is φ = 103212313488.

The previous prime is 103212313471. The next prime is 103212313507. The reversal of 103212313489 is 984313212301.

It is a balanced prime because it is at equal distance from previous prime (103212313471) and next prime (103212313507).

It can be written as a sum of positive squares in only one way, i.e., 94992171264 + 8220142225 = 308208^2 + 90665^2 .

It is a cyclic number.

It is not a de Polignac number, because 103212313489 - 221 = 103210216337 is a prime.

It is a super-2 number, since 2×1032123134892 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (103212313189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51606156744 + 51606156745.

It is an arithmetic number, because the mean of its divisors is an integer number (51606156745).

Almost surely, 2103212313489 is an apocalyptic number.

It is an amenable number.

103212313489 is a deficient number, since it is larger than the sum of its proper divisors (1).

103212313489 is an equidigital number, since it uses as much as digits as its factorization.

103212313489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 37.

The spelling of 103212313489 in words is "one hundred three billion, two hundred twelve million, three hundred thirteen thousand, four hundred eighty-nine".