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50880402721 is a prime number
BaseRepresentation
bin101111011000101101…
…010101010100100001
311212022221110021010001
4233120231111110201
51313200340341341
635212451340001
73450602200351
oct573055252441
9155287407101
1050880402721
111a63a72a705
129a3b8b1601
134a4b294395
142669628b61
1514cbceed31
hexbd8b55521

50880402721 has 2 divisors, whose sum is σ = 50880402722. Its totient is φ = 50880402720.

The previous prime is 50880402709. The next prime is 50880402733. The reversal of 50880402721 is 12720408805.

50880402721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (50880402709) and next prime (50880402733).

It can be written as a sum of positive squares in only one way, i.e., 50686218496 + 194184225 = 225136^2 + 13935^2 .

It is a cyclic number.

It is not a de Polignac number, because 50880402721 - 27 = 50880402593 is a prime.

It is a super-2 number, since 2×508804027212 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50880402701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25440201360 + 25440201361.

It is an arithmetic number, because the mean of its divisors is an integer number (25440201361).

Almost surely, 250880402721 is an apocalyptic number.

It is an amenable number.

50880402721 is a deficient number, since it is larger than the sum of its proper divisors (1).

50880402721 is an equidigital number, since it uses as much as digits as its factorization.

50880402721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35840, while the sum is 37.

The spelling of 50880402721 in words is "fifty billion, eight hundred eighty million, four hundred two thousand, seven hundred twenty-one".