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8280828701 = 16889490309
BaseRepresentation
bin1111011011001001…
…10110101100011101
3210101002211200110022
413231210312230131
5113424343004301
63445410521525
7412130611505
oct75544665435
923332750408
108280828701
11356a348192
1217312962a5
13a1c78aa52
14587acaa05
15336ebdd1b
hex1ed936b1d

8280828701 has 4 divisors (see below), whose sum is σ = 8281335900. Its totient is φ = 8280321504.

The previous prime is 8280828683. The next prime is 8280828709. The reversal of 8280828701 is 1078280828.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2838225625 + 5442603076 = 53275^2 + 73774^2 .

It is a cyclic number.

It is not a de Polignac number, because 8280828701 - 210 = 8280827677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8280828709) 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, 228266 + ... + 262043.

It is an arithmetic number, because the mean of its divisors is an integer number (2070333975).

Almost surely, 28280828701 is an apocalyptic number.

It is an amenable number.

8280828701 is a deficient number, since it is larger than the sum of its proper divisors (507199).

8280828701 is a wasteful number, since it uses less digits than its factorization.

8280828701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507198.

The product of its (nonzero) digits is 114688, while the sum is 44.

The square root of 8280828701 is about 90999.0587918359. The cubic root of 8280828701 is about 2023.1337742823.

The spelling of 8280828701 in words is "eight billion, two hundred eighty million, eight hundred twenty-eight thousand, seven hundred one".

Divisors: 1 16889 490309 8280828701