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6238371089 = 30720320427
BaseRepresentation
bin1011100111101010…
…11111110100010001
3121002202121002100002
411303311133310101
5100234010333324
62511005535345
7310410164546
oct56365376421
917082532302
106238371089
112711441595
121261274555
13785599352
1443273cbcd
15267a213ae
hex173d5fd11

6238371089 has 4 divisors (see below), whose sum is σ = 6258691824. Its totient is φ = 6218050356.

The previous prime is 6238371079. The next prime is 6238371101. The reversal of 6238371089 is 9801738326.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9801738326 = 24900869163.

It is a cyclic number.

It is not a de Polignac number, because 6238371089 - 220 = 6237322513 is a prime.

It is a super-3 number, since 3×62383710893 (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6238371019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10159907 + ... + 10160520.

It is an arithmetic number, because the mean of its divisors is an integer number (1564672956).

Almost surely, 26238371089 is an apocalyptic number.

It is an amenable number.

6238371089 is a deficient number, since it is larger than the sum of its proper divisors (20320735).

6238371089 is a wasteful number, since it uses less digits than its factorization.

6238371089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20320734.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 6238371089 is about 78983.3595702285. The cubic root of 6238371089 is about 1840.8726060550.

The spelling of 6238371089 in words is "six billion, two hundred thirty-eight million, three hundred seventy-one thousand, eighty-nine".

Divisors: 1 307 20320427 6238371089