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50028055261 is a prime number
BaseRepresentation
bin101110100101111001…
…111000101011011101
311210010112121112012121
4232211321320223131
51304424140232021
634552122502541
73420512311342
oct564571705335
9153115545177
1050028055261
111a242595418
129842364a51
134943813782
1425c83547c9
15147c087741
hexba5e78add

50028055261 has 2 divisors, whose sum is σ = 50028055262. Its totient is φ = 50028055260.

The previous prime is 50028055247. The next prime is 50028055267. The reversal of 50028055261 is 16255082005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44407554361 + 5620500900 = 210731^2 + 74970^2 .

It is a cyclic number.

It is not a de Polignac number, because 50028055261 - 29 = 50028054749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50028055267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25014027630 + 25014027631.

It is an arithmetic number, because the mean of its divisors is an integer number (25014027631).

Almost surely, 250028055261 is an apocalyptic number.

It is an amenable number.

50028055261 is a deficient number, since it is larger than the sum of its proper divisors (1).

50028055261 is an equidigital number, since it uses as much as digits as its factorization.

50028055261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24000, while the sum is 34.

The spelling of 50028055261 in words is "fifty billion, twenty-eight million, fifty-five thousand, two hundred sixty-one".