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38639227211 = 13107239911579
BaseRepresentation
bin100011111111000100…
…111101000101001011
310200201211112010011022
4203333010331011023
51113113120232321
625430044423055
72535342004124
oct437704750513
9120654463138
1038639227211
1115428922332
1275a4247a8b
13384a189970
141c2798b04b
1510122dedab
hex8ff13d14b

38639227211 has 16 divisors (see below), whose sum is σ = 42021504000. Its totient is φ = 35315863968.

The previous prime is 38639227163. The next prime is 38639227217. The reversal of 38639227211 is 11272293683.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 38639227211 - 222 = 38635032907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38639227217) 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, 3331220 + ... + 3342798.

It is an arithmetic number, because the mean of its divisors is an integer number (2626344000).

Almost surely, 238639227211 is an apocalyptic number.

38639227211 is a deficient number, since it is larger than the sum of its proper divisors (3382276789).

38639227211 is a wasteful number, since it uses less digits than its factorization.

38639227211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14098.

The product of its digits is 217728, while the sum is 44.

The spelling of 38639227211 in words is "thirty-eight billion, six hundred thirty-nine million, two hundred twenty-seven thousand, two hundred eleven".

Divisors: 1 13 107 1391 2399 11579 31187 150527 256693 1238953 3337009 16106389 27778021 361114273 2972248247 38639227211