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38021120212 = 229505280053
BaseRepresentation
bin100011011010001111…
…000100000011010100
310122010202110000202111
4203122033010003110
51110331401321322
625244444320404
72514125121655
oct433217040324
9118122400674
1038021120212
1115140a273a9
127451243104
13377c0c148a
141ba984d52c
15ec7de7177
hex8da3c40d4

38021120212 has 6 divisors (see below), whose sum is σ = 66536960378. Its totient is φ = 19010560104.

The previous prime is 38021120201. The next prime is 38021120213. The reversal of 38021120212 is 21202112083.

It can be written as a sum of positive squares in only one way, i.e., 28132011076 + 9889109136 = 167726^2 + 99444^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38021120213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4752640023 + ... + 4752640030.

Almost surely, 238021120212 is an apocalyptic number.

It is an amenable number.

38021120212 is a deficient number, since it is larger than the sum of its proper divisors (28515840166).

38021120212 is a wasteful number, since it uses less digits than its factorization.

38021120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9505280057 (or 9505280055 counting only the distinct ones).

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

Adding to 38021120212 its reverse (21202112083), we get a palindrome (59223232295).

The spelling of 38021120212 in words is "thirty-eight billion, twenty-one million, one hundred twenty thousand, two hundred twelve".

Divisors: 1 2 4 9505280053 19010560106 38021120212