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1071148085 = 57219230107
BaseRepresentation
bin111111110110000…
…110110000110101
32202122112221221022
4333312012300311
54143203214320
6254142230525
735354415500
oct7766066065
92678487838
101071148085
114aa6a9457
1225a885445
13140bbb447
14a238c137
1564087325
hex3fd86c35

1071148085 has 24 divisors (see below), whose sum is σ = 1573938720. Its totient is φ = 695840544.

The previous prime is 1071148069. The next prime is 1071148109. The reversal of 1071148085 is 5808411701.

It is not a de Polignac number, because 1071148085 - 24 = 1071148069 is a prime.

It is a super-2 number, since 2×10711480852 = 2294716439998334450, which contains 22 as substring.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110399 + ... + 119708.

It is an arithmetic number, because the mean of its divisors is an integer number (65580780).

Almost surely, 21071148085 is an apocalyptic number.

It is an amenable number.

1071148085 is a deficient number, since it is larger than the sum of its proper divisors (502790635).

1071148085 is a wasteful number, since it uses less digits than its factorization.

1071148085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230145 (or 230138 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 35.

The square root of 1071148085 is about 32728.3987539873. The cubic root of 1071148085 is about 1023.1748077734.

Adding to 1071148085 its reverse (5808411701), we get a palindrome (6879559786).

The spelling of 1071148085 in words is "one billion, seventy-one million, one hundred forty-eight thousand, eighty-five".

Divisors: 1 5 7 19 35 49 95 133 245 665 931 4655 230107 1150535 1610749 4372033 8053745 11275243 21860165 30604231 56376215 153021155 214229617 1071148085