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3809006081 = 14532621477
BaseRepresentation
bin1110001100001000…
…1101001000000001
3100211110022120001022
43203002031020001
530300101143311
61425544115225
7163251005666
oct34302151001
910743276038
103809006081
1116850a2711
128a3765b15
1348919b76a
14281c37a6d
151745e95db
hexe308d201

3809006081 has 4 divisors (see below), whose sum is σ = 3811629012. Its totient is φ = 3806383152.

The previous prime is 3809006063. The next prime is 3809006141. The reversal of 3809006081 is 1806009083.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1806009083 = 2842963527.

It can be written as a sum of positive squares in 2 ways, for example, as 3283863025 + 525143056 = 57305^2 + 22916^2 .

It is a cyclic number.

It is not a de Polignac number, because 3809006081 - 26 = 3809006017 is a prime.

It is a super-2 number, since 2×38090060812 = 29017054650189957122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3809006041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1309286 + ... + 1312191.

It is an arithmetic number, because the mean of its divisors is an integer number (952907253).

Almost surely, 23809006081 is an apocalyptic number.

It is an amenable number.

3809006081 is a deficient number, since it is larger than the sum of its proper divisors (2622931).

3809006081 is a wasteful number, since it uses less digits than its factorization.

3809006081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2622930.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 3809006081 is about 61717.1457619356. The cubic root of 3809006081 is about 1561.7225768492.

The spelling of 3809006081 in words is "three billion, eight hundred nine million, six thousand, eighty-one".

Divisors: 1 1453 2621477 3809006081