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4006053653 = 7281756197
BaseRepresentation
bin1110111011000111…
…1000011100010101
3101100012002121111112
43232301320130111
531201022204103
61501303344405
7201162615500
oct35661703425
911305077445
104006053653
111776349448
12939752105
134bac60c64
142a008c137
15186a6dcd8
hexeec78715

4006053653 has 6 divisors (see below), whose sum is σ = 4660103286. Its totient is φ = 3433760232.

The previous prime is 4006053643. The next prime is 4006053679. The reversal of 4006053653 is 3563506004.

It can be written as a sum of positive squares in only one way, i.e., 2077262929 + 1928790724 = 45577^2 + 43918^2 .

It is not a de Polignac number, because 4006053653 - 24 = 4006053637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4006053643) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40878050 + ... + 40878147.

It is an arithmetic number, because the mean of its divisors is an integer number (776683881).

Almost surely, 24006053653 is an apocalyptic number.

It is an amenable number.

4006053653 is a deficient number, since it is larger than the sum of its proper divisors (654049633).

4006053653 is an equidigital number, since it uses as much as digits as its factorization.

4006053653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81756211 (or 81756204 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 32.

The square root of 4006053653 is about 63293.3934388100. The cubic root of 4006053653 is about 1588.2014462565.

Adding to 4006053653 its reverse (3563506004), we get a palindrome (7569559657).

The spelling of 4006053653 in words is "four billion, six million, fifty-three thousand, six hundred fifty-three".

Divisors: 1 7 49 81756197 572293379 4006053653