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8315065244 = 2212311688681
BaseRepresentation
bin1111011111001110…
…11101001110011100
3210110111021002011102
413233213131032130
5114012124041434
63453032412232
7413024613503
oct75747351634
923414232142
108315065244
113587701652
121740847078
13a268b7165
1458c47d83a
15339ed307e
hex1ef9dd39c

8315065244 has 12 divisors (see below), whose sum is σ = 14563193568. Its totient is φ = 4154152800.

The previous prime is 8315065201. The next prime is 8315065249. The reversal of 8315065244 is 4425605138.

It is a junction number, because it is equal to n+sod(n) for n = 8315065198 and 8315065207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8315065249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 839417 + ... + 849264.

It is an arithmetic number, because the mean of its divisors is an integer number (1213599464).

Almost surely, 28315065244 is an apocalyptic number.

It is an amenable number.

8315065244 is a deficient number, since it is larger than the sum of its proper divisors (6248128324).

8315065244 is a wasteful number, since it uses less digits than its factorization.

8315065244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1689916 (or 1689914 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 38.

The square root of 8315065244 is about 91186.9795749371. The cubic root of 8315065244 is about 2025.9181118675.

The spelling of 8315065244 in words is "eight billion, three hundred fifteen million, sixty-five thousand, two hundred forty-four".

Divisors: 1 2 4 1231 2462 4924 1688681 3377362 6754724 2078766311 4157532622 8315065244