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38012220211 = 7193761126631
BaseRepresentation
bin100011011001101101…
…000111001100110011
310122010010200212020211
4203121231013030303
51110322112021321
625243525444551
72513656353310
oct433155071463
9118103625224
1038012220211
11151369a8729
12744a270757
13377a2c64c4
141ba85b3d07
15ec723a0e1
hex8d9b47333

38012220211 has 32 divisors (see below), whose sum is σ = 47735198720. Its totient is φ = 29540246400.

The previous prime is 38012220199. The next prime is 38012220227. The reversal of 38012220211 is 11202221083.

It is not a de Polignac number, because 38012220211 - 25 = 38012220179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38012220241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 236866 + ... + 363496.

It is an arithmetic number, because the mean of its divisors is an integer number (1491724960).

Almost surely, 238012220211 is an apocalyptic number.

38012220211 is a deficient number, since it is larger than the sum of its proper divisors (9722978509).

38012220211 is a wasteful number, since it uses less digits than its factorization.

38012220211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126755.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 38012220211 its reverse (11202221083), we get a palindrome (49214441294).

The spelling of 38012220211 in words is "thirty-eight billion, twelve million, two hundred twenty thousand, two hundred eleven".

Divisors: 1 7 19 37 61 133 259 427 703 1159 2257 4921 8113 15799 42883 126631 300181 886417 2405989 4685347 7724491 16841923 32797429 54071437 89021593 146765329 285806167 623151151 1027357303 2000643169 5430317173 38012220211