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51306959153 is a prime number
BaseRepresentation
bin101111110010001000…
…100001000100110001
311220102200002120112102
4233302020201010301
51320034040143103
635323050110145
73464301646202
oct576210410461
9156380076472
1051306959153
111a83949388a
129b3a71b355
134ab8773438
1426aa1435a9
1515044abe88
hexbf2221131

51306959153 has 2 divisors, whose sum is σ = 51306959154. Its totient is φ = 51306959152.

The previous prime is 51306959063. The next prime is 51306959159. The reversal of 51306959153 is 35195960315.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50844838144 + 462121009 = 225488^2 + 21497^2 .

It is a cyclic number.

It is not a de Polignac number, because 51306959153 - 226 = 51239850289 is a prime.

It is a super-2 number, since 2×513069591532 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51306959098 and 51306959107.

It is not a weakly prime, because it can be changed into another prime (51306959159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25653479576 + 25653479577.

It is an arithmetic number, because the mean of its divisors is an integer number (25653479577).

Almost surely, 251306959153 is an apocalyptic number.

It is an amenable number.

51306959153 is a deficient number, since it is larger than the sum of its proper divisors (1).

51306959153 is an equidigital number, since it uses as much as digits as its factorization.

51306959153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 546750, while the sum is 47.

The spelling of 51306959153 in words is "fifty-one billion, three hundred six million, nine hundred fifty-nine thousand, one hundred fifty-three".