Search a number
-
+
612413312431 is a prime number
BaseRepresentation
bin10001110100101101010…
…11011000110110101111
32011112202010200122220111
420322112223120312233
540013210301444211
61145201102400451
762150113160164
oct10722653306657
92145663618814
10612413312431
112167a5392998
129a833b90127
134599a614aab
14218d8b3006b
1510de4a31421
hex8e96ad8daf

612413312431 has 2 divisors, whose sum is σ = 612413312432. Its totient is φ = 612413312430.

The previous prime is 612413312393. The next prime is 612413312437. The reversal of 612413312431 is 134213314216.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-612413312431 is a prime.

It is a super-2 number, since 2×6124133124312 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 612413312393 and 612413312402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (612413312437) 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, 306206656215 + 306206656216.

It is an arithmetic number, because the mean of its divisors is an integer number (306206656216).

Almost surely, 2612413312431 is an apocalyptic number.

612413312431 is a deficient number, since it is larger than the sum of its proper divisors (1).

612413312431 is an equidigital number, since it uses as much as digits as its factorization.

612413312431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 31.

Adding to 612413312431 its reverse (134213314216), we get a palindrome (746626626647).

The spelling of 612413312431 in words is "six hundred twelve billion, four hundred thirteen million, three hundred twelve thousand, four hundred thirty-one".