Search a number
-
+
612205623319 is a prime number
BaseRepresentation
bin10001110100010100100…
…11000111100000010111
32011112012122212222000011
420322022103013200113
540012244114421234
61145124323101051
762142011636443
oct10721223074027
92145178788004
10612205623319
112166a9128aa4
129a796511787
1345966597a24
14218b9309823
1510dd16a8b64
hex8e8a4c7817

612205623319 has 2 divisors, whose sum is σ = 612205623320. Its totient is φ = 612205623318.

The previous prime is 612205623269. The next prime is 612205623349. The reversal of 612205623319 is 913326502216.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 612205623319 - 227 = 612071405591 is a prime.

It is a super-2 number, since 2×6122056233192 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (612205623349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306102811659 + 306102811660.

It is an arithmetic number, because the mean of its divisors is an integer number (306102811660).

Almost surely, 2612205623319 is an apocalyptic number.

612205623319 is a deficient number, since it is larger than the sum of its proper divisors (1).

612205623319 is an equidigital number, since it uses as much as digits as its factorization.

612205623319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 40.

The spelling of 612205623319 in words is "six hundred twelve billion, two hundred five million, six hundred twenty-three thousand, three hundred nineteen".