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3145355957 is a prime number
BaseRepresentation
bin1011101101111010…
…0101001010110101
322010012112122020002
42323132211022311
522420202342312
61240035521045
7140642040662
oct27336451265
98105478202
103145355957
111374520537
12739459185
133b1848693
1421ba42a69
151362074c2
hexbb7a52b5

3145355957 has 2 divisors, whose sum is σ = 3145355958. Its totient is φ = 3145355956.

The previous prime is 3145355947. The next prime is 3145356001. The reversal of 3145355957 is 7595535413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1922734801 + 1222621156 = 43849^2 + 34966^2 .

It is a cyclic number.

It is not a de Polignac number, because 3145355957 - 220 = 3144307381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3145355947) 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, 1572677978 + 1572677979.

It is an arithmetic number, because the mean of its divisors is an integer number (1572677979).

Almost surely, 23145355957 is an apocalyptic number.

It is an amenable number.

3145355957 is a deficient number, since it is larger than the sum of its proper divisors (1).

3145355957 is an equidigital number, since it uses as much as digits as its factorization.

3145355957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1417500, while the sum is 47.

The square root of 3145355957 is about 56083.4731182012. The cubic root of 3145355957 is about 1465.1764641228.

The spelling of 3145355957 in words is "three billion, one hundred forty-five million, three hundred fifty-five thousand, nine hundred fifty-seven".