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4044077381 = 13740173613
BaseRepresentation
bin1111000100001011…
…1011100101000101
3101102211122102020202
43301002323211011
531240240434011
61505142340245
7202134043031
oct36102734505
911384572222
104044077381
11179585a213
1294a42a685
134c5ab50c6
142a51491c1
1518a08023b
hexf10bb945

4044077381 has 8 divisors (see below), whose sum is σ = 4083810264. Its totient is φ = 4004492800.

The previous prime is 4044077377. The next prime is 4044077399. The reversal of 4044077381 is 1837704404.

4044077381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2091232900 + 1952844481 = 45730^2 + 44191^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4044077381 - 22 = 4044077377 is a prime.

It is a super-2 number, since 2×40440773812 = 32709123727031638322, 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 (4044077581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18131 + ... + 91743.

It is an arithmetic number, because the mean of its divisors is an integer number (510476283).

Almost surely, 24044077381 is an apocalyptic number.

It is an amenable number.

4044077381 is a deficient number, since it is larger than the sum of its proper divisors (39732883).

4044077381 is a wasteful number, since it uses less digits than its factorization.

4044077381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74151.

The product of its (nonzero) digits is 75264, while the sum is 38.

The square root of 4044077381 is about 63593.0607928255. The cubic root of 4044077381 is about 1593.2104720141.

The spelling of 4044077381 in words is "four billion, forty-four million, seventy-seven thousand, three hundred eighty-one".

Divisors: 1 137 401 54937 73613 10084981 29518813 4044077381