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7850889001 is a prime number
BaseRepresentation
bin1110100111111001…
…10000111100101001
3202021010211111001201
413103330300330221
5112034311422001
63335011444201
7365360312134
oct72374607451
922233744051
107850889001
11336969311a
1216312b6661
13981695a67
1454697121b
1530e394501
hex1d3f30f29

7850889001 has 2 divisors, whose sum is σ = 7850889002. Its totient is φ = 7850889000.

The previous prime is 7850888807. The next prime is 7850889029. The reversal of 7850889001 is 1009880587.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5965245225 + 1885643776 = 77235^2 + 43424^2 .

It is a cyclic number.

It is not a de Polignac number, because 7850889001 - 219 = 7850364713 is a prime.

It is not a weakly prime, because it can be changed into another prime (7850889061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3925444500 + 3925444501.

It is an arithmetic number, because the mean of its divisors is an integer number (3925444501).

Almost surely, 27850889001 is an apocalyptic number.

It is an amenable number.

7850889001 is a deficient number, since it is larger than the sum of its proper divisors (1).

7850889001 is an equidigital number, since it uses as much as digits as its factorization.

7850889001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161280, while the sum is 46.

The square root of 7850889001 is about 88605.2425141989. The cubic root of 7850889001 is about 1987.4960722257.

The spelling of 7850889001 in words is "seven billion, eight hundred fifty million, eight hundred eighty-nine thousand, one".