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47235010861 is a prime number
BaseRepresentation
bin101011111111011011…
…010001000100101101
311111220220000011120201
4223333123101010231
51233214130321421
633411030113501
73261345652633
oct537733210455
9144826004521
1047235010861
1119039a28865
1291a2aab891
1345b9c8048c
142401421353
151366c73b91
hexaff6d112d

47235010861 has 2 divisors, whose sum is σ = 47235010862. Its totient is φ = 47235010860.

The previous prime is 47235010831. The next prime is 47235010873. The reversal of 47235010861 is 16801053274.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29866406761 + 17368604100 = 172819^2 + 131790^2 .

It is a cyclic number.

It is not a de Polignac number, because 47235010861 - 211 = 47235008813 is a prime.

It is a super-2 number, since 2×472350108612 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 47235010861.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47235010811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23617505430 + 23617505431.

It is an arithmetic number, because the mean of its divisors is an integer number (23617505431).

Almost surely, 247235010861 is an apocalyptic number.

It is an amenable number.

47235010861 is a deficient number, since it is larger than the sum of its proper divisors (1).

47235010861 is an equidigital number, since it uses as much as digits as its factorization.

47235010861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 37.

The spelling of 47235010861 in words is "forty-seven billion, two hundred thirty-five million, ten thousand, eight hundred sixty-one".