Search a number
-
+
4130082821 = 29731950913
BaseRepresentation
bin1111011000101100…
…0001000000000101
3101122211110221112102
43312023001000011
531424300122241
61521454001445
7204230060534
oct36613010005
911584427472
104130082821
11182a362397
129731a6285
1350a868ab7
142b273631b
151928bd39b
hexf62c1005

4130082821 has 8 divisors (see below), whose sum is σ = 4331029080. Its totient is φ = 3933038592.

The previous prime is 4130082811. The next prime is 4130082899. The reversal of 4130082821 is 1282800314.

It can be written as a sum of positive squares in 4 ways, for example, as 643180321 + 3486902500 = 25361^2 + 59050^2 .

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 4130082821 - 26 = 4130082757 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4130082811) 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, 973340 + ... + 977573.

It is an arithmetic number, because the mean of its divisors is an integer number (541378635).

Almost surely, 24130082821 is an apocalyptic number.

It is an amenable number.

4130082821 is a deficient number, since it is larger than the sum of its proper divisors (200946259).

4130082821 is a wasteful number, since it uses less digits than its factorization.

4130082821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1951015.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 4130082821 is about 64265.7204192095. The cubic root of 4130082821 is about 1604.4256147401.

The spelling of 4130082821 in words is "four billion, one hundred thirty million, eighty-two thousand, eight hundred twenty-one".

Divisors: 1 29 73 2117 1950913 56576477 142416649 4130082821