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3280124087 = 16691965323
BaseRepresentation
bin1100001110000010…
…1011100010110111
322110121010120100022
43003200223202313
523204202432322
61301252235355
7144166410662
oct30340534267
98417116308
103280124087
1114335a9859
1277660bb5b
13403743536
142318c46d9
15142e78942
hexc382b8b7

3280124087 has 4 divisors (see below), whose sum is σ = 3282091080. Its totient is φ = 3278157096.

The previous prime is 3280124077. The next prime is 3280124117. The reversal of 3280124087 is 7804210823.

3280124087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 3280124087 - 218 = 3279861943 is a prime.

It is a super-2 number, since 2×32801240872 = 21518428052235167138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3280124077) 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, 980993 + ... + 984330.

It is an arithmetic number, because the mean of its divisors is an integer number (820522770).

Almost surely, 23280124087 is an apocalyptic number.

3280124087 is a deficient number, since it is larger than the sum of its proper divisors (1966993).

3280124087 is a wasteful number, since it uses less digits than its factorization.

3280124087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1966992.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 3280124087 is about 57272.3675693611. The cubic root of 3280124087 is about 1485.8105045818.

The spelling of 3280124087 in words is "three billion, two hundred eighty million, one hundred twenty-four thousand, eighty-seven".

Divisors: 1 1669 1965323 3280124087