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6331838045 = 513113862061
BaseRepresentation
bin1011110010110100…
…00010111001011101
3121100021110200220012
411321122002321131
5100431422304140
62524145133005
7312623510141
oct57132027135
917307420805
106331838045
11275a180705
12128862a165
1379ba63340
14440d0d221
15270d35265
hex179682e5d

6331838045 has 16 divisors (see below), whose sum is σ = 8255105712. Its totient is φ = 4634434560.

The previous prime is 6331838041. The next prime is 6331838053. The reversal of 6331838045 is 5408381336.

6331838045 = 562662 + 562672.

It can be written as a sum of positive squares in 8 ways, for example, as 2332793401 + 3999044644 = 48299^2 + 63238^2 .

It is not a de Polignac number, because 6331838045 - 22 = 6331838041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6331837993 and 6331838011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6331838041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 423686 + ... + 438375.

It is an arithmetic number, because the mean of its divisors is an integer number (515944107).

Almost surely, 26331838045 is an apocalyptic number.

6331838045 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

6331838045 is the 56267-th centered square number.

It is an amenable number.

6331838045 is a deficient number, since it is larger than the sum of its proper divisors (1923267667).

6331838045 is a wasteful number, since it uses less digits than its factorization.

6331838045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862192.

The product of its (nonzero) digits is 207360, while the sum is 41.

The square root of 6331838045 is about 79572.8474104075. The cubic root of 6331838045 is about 1850.0207492194.

The spelling of 6331838045 in words is "six billion, three hundred thirty-one million, eight hundred thirty-eight thousand, forty-five".

Divisors: 1 5 13 65 113 565 1469 7345 862061 4310305 11206793 56033965 97412893 487064465 1266367609 6331838045