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51051364031 is a prime number
BaseRepresentation
bin101111100010111001…
…011111111010111111
311212202212010222221102
4233202321133322333
51314023122122111
635241435523315
73455046302003
oct574271377277
9155685128842
1051051364031
111a718189448
129a88bb953b
134a77822115
14268420c703
1514dbd2013b
hexbe2e5febf

51051364031 has 2 divisors, whose sum is σ = 51051364032. Its totient is φ = 51051364030.

The previous prime is 51051364003. The next prime is 51051364069. The reversal of 51051364031 is 13046315015.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51051364031 - 210 = 51051363007 is a prime.

It is a super-2 number, since 2×510513640312 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51051363985 and 51051364003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51051364631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25525682015 + 25525682016.

It is an arithmetic number, because the mean of its divisors is an integer number (25525682016).

Almost surely, 251051364031 is an apocalyptic number.

51051364031 is a deficient number, since it is larger than the sum of its proper divisors (1).

51051364031 is an equidigital number, since it uses as much as digits as its factorization.

51051364031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 29.

Adding to 51051364031 its reverse (13046315015), we get a palindrome (64097679046).

The spelling of 51051364031 in words is "fifty-one billion, fifty-one million, three hundred sixty-four thousand, thirty-one".