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2860985957 is a prime number
BaseRepresentation
bin1010101010000111…
…0010111001100101
321101101110010220212
42222201302321211
521324403022312
61151520505205
7130616656634
oct25241627145
97341403825
102860985957
111238a52105
1267a17b205
13367960bcb
141d1d7b51b
1511b284822
hexaa872e65

2860985957 has 2 divisors, whose sum is σ = 2860985958. Its totient is φ = 2860985956.

The previous prime is 2860985921. The next prime is 2860985969. The reversal of 2860985957 is 7595890682.

2860985957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2624103076 + 236882881 = 51226^2 + 15391^2 .

It is a cyclic number.

It is not a de Polignac number, because 2860985957 - 210 = 2860984933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2860985896 and 2860985905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2860985557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1430492978 + 1430492979.

It is an arithmetic number, because the mean of its divisors is an integer number (1430492979).

Almost surely, 22860985957 is an apocalyptic number.

It is an amenable number.

2860985957 is a deficient number, since it is larger than the sum of its proper divisors (1).

2860985957 is an equidigital number, since it uses as much as digits as its factorization.

2860985957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10886400, while the sum is 59.

The square root of 2860985957 is about 53488.1852094460. The cubic root of 2860985957 is about 1419.6193446716.

The spelling of 2860985957 in words is "two billion, eight hundred sixty million, nine hundred eighty-five thousand, nine hundred fifty-seven".