Base | Representation |
---|---|
bin | 101111100010111001… |
… | …011111111010111111 |
3 | 11212202212010222221102 |
4 | 233202321133322333 |
5 | 1314023122122111 |
6 | 35241435523315 |
7 | 3455046302003 |
oct | 574271377277 |
9 | 155685128842 |
10 | 51051364031 |
11 | 1a718189448 |
12 | 9a88bb953b |
13 | 4a77822115 |
14 | 268420c703 |
15 | 14dbd2013b |
hex | be2e5febf |
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".
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