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3873684081 = 323311810979
BaseRepresentation
bin1110011011100011…
…1011101001110001
3100222222000112120210
43212320323221301
530413130342311
61440214254333
7164664525411
oct34670735161
910888015523
103873684081
111708659203
129013573a9
134996c5a77
1428a672641
1517a1233a6
hexe6e3ba71

3873684081 has 16 divisors (see below), whose sum is σ = 5563330560. Its totient is φ = 2390490960.

The previous prime is 3873684041. The next prime is 3873684083. The reversal of 3873684081 is 1804863783.

It is not a de Polignac number, because 3873684081 - 214 = 3873667697 is a prime.

It is a super-2 number, since 2×38736840812 = 30010856718785629122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3873684081.

It is not an unprimeable number, because it can be changed into a prime (3873684083) 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 in 15 ways as a sum of consecutive naturals, for example, 903351 + ... + 907628.

It is an arithmetic number, because the mean of its divisors is an integer number (347708160).

Almost surely, 23873684081 is an apocalyptic number.

3873684081 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3873684081 is a deficient number, since it is larger than the sum of its proper divisors (1689646479).

3873684081 is a wasteful number, since it uses less digits than its factorization.

3873684081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1811036.

The product of its (nonzero) digits is 774144, while the sum is 48.

The square root of 3873684081 is about 62238.9273766828. The cubic root of 3873684081 is about 1570.5125081092.

The spelling of 3873684081 in words is "three billion, eight hundred seventy-three million, six hundred eighty-four thousand, eighty-one".

Divisors: 1 3 23 31 69 93 713 2139 1810979 5432937 41652517 56140349 124957551 168421047 1291228027 3873684081