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8102530484 = 222025632621
BaseRepresentation
bin1111000101111001…
…01100110110110100
3202220200100012021122
413202330230312310
5113043221433414
63420001203112
7404534241566
oct74274546664
922820305248
108102530484
113488738094
1216a1630498
139c1861649
1456c157336
153264eeb8e
hex1e2f2cdb4

8102530484 has 6 divisors (see below), whose sum is σ = 14179428354. Its totient is φ = 4051265240.

The previous prime is 8102530477. The next prime is 8102530489. The reversal of 8102530484 is 4840352018.

It can be written as a sum of positive squares in only one way, i.e., 5359704100 + 2742826384 = 73210^2 + 52372^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8102530489) 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, 1012816307 + ... + 1012816314.

It is an arithmetic number, because the mean of its divisors is an integer number (2363238059).

Almost surely, 28102530484 is an apocalyptic number.

It is an amenable number.

8102530484 is a deficient number, since it is larger than the sum of its proper divisors (6076897870).

8102530484 is a wasteful number, since it uses less digits than its factorization.

8102530484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2025632625 (or 2025632623 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 8102530484 is about 90014.0571466479. The cubic root of 8102530484 is about 2008.5079629621.

The spelling of 8102530484 in words is "eight billion, one hundred two million, five hundred thirty thousand, four hundred eighty-four".

Divisors: 1 2 4 2025632621 4051265242 8102530484